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74630916892 = 22731893792549
BaseRepresentation
bin100010110000001011…
…0010110101100011100
321010122011020101121001
41011200112112230130
52210321003320032
654141315320044
75251265220040
oct1054026265434
9233564211531
1074630916892
1129718230514
12125698b0024
13706499b06c
14387da80020
151e1be5e3e7
hex1160596b1c

74630916892 has 96 divisors (see below), whose sum is σ = 156280320000. Its totient is φ = 30512401920.

The previous prime is 74630916889. The next prime is 74630916901. The reversal of 74630916892 is 29861903647.

It is a super-2 number, since 2×746309168922 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29277234 + ... + 29279782.

It is an arithmetic number, because the mean of its divisors is an integer number (1627920000).

Almost surely, 274630916892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74630916892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78140160000).

74630916892 is an abundant number, since it is smaller than the sum of its proper divisors (81649403108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74630916892 is a wasteful number, since it uses less digits than its factorization.

74630916892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3059 (or 3057 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 74630916892 in words is "seventy-four billion, six hundred thirty million, nine hundred sixteen thousand, eight hundred ninety-two".

Divisors: 1 2 4 7 14 28 31 62 89 124 178 217 356 379 434 623 758 868 1246 1516 2492 2549 2653 2759 5098 5306 5518 10196 10612 11036 11749 17843 19313 23498 33731 35686 38626 46996 67462 71372 77252 79019 82243 134924 158038 164486 226861 236117 316076 328972 453722 472234 553133 907444 944468 966071 1045661 1106266 1588027 1932142 2091322 2212532 3176054 3864284 4182644 6352108 6762497 7032691 7319627 13524994 14065382 14639254 27049988 28130764 29278508 29948201 49228837 59896402 85980319 98457674 119792804 171960638 196915348 209637407 343921276 419274814 601862233 838549628 1203724466 2407448932 2665389889 5330779778 10661559556 18657729223 37315458446 74630916892