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74777004372 = 223717394713267
BaseRepresentation
bin100010110100100001…
…1101000100101010100
321011000100010101221110
41011221003220211110
52211120403114442
654204014415020
75255021023050
oct1055103504524
9234010111843
1074777004372
1129792740174
12125aa801470
13708902a165
14389522ac60
151e29bb969c
hex11690e8954

74777004372 has 96 divisors (see below), whose sum is σ = 211204482048. Its totient is φ = 20101492224.

The previous prime is 74777004353. The next prime is 74777004413. The reversal of 74777004372 is 27340077747.

It is a super-2 number, since 2×747770043722 (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, 5629683 + ... + 5642949.

It is an arithmetic number, because the mean of its divisors is an integer number (2200046688).

Almost surely, 274777004372 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 74777004372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105602241024).

74777004372 is an abundant number, since it is smaller than the sum of its proper divisors (136427477676).

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

74777004372 is a wasteful number, since it uses less digits than its factorization.

74777004372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17245 (or 17243 counting only the distinct ones).

The product of its (nonzero) digits is 1613472, while the sum is 48.

The spelling of 74777004372 in words is "seventy-four billion, seven hundred seventy-seven million, four thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 7 12 14 17 21 28 34 42 51 68 84 102 119 204 238 357 476 714 1428 3947 7894 11841 13267 15788 23682 26534 27629 39801 47364 53068 55258 67099 79602 82887 92869 110516 134198 159204 165774 185738 201297 225539 268396 278607 331548 371476 402594 451078 469693 557214 676617 805188 902156 939386 1114428 1353234 1409079 1578773 1878772 2706468 2818158 3157546 4736319 5636316 6315092 9472638 18945276 52364849 104729698 157094547 209459396 314189094 366553943 628378188 733107886 890202433 1099661829 1466215772 1780404866 2199323658 2670607299 3560809732 4398647316 5341214598 6231417031 10682429196 12462834062 18694251093 24925668124 37388502186 74777004372