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74916464 = 247838059
BaseRepresentation
bin1000111011100…
…10001001110000
312012222011001212
410131302021300
5123134311324
611233415252
71566531230
oct435621160
9165864055
1074916464
1139319937
122110a528
13126a058c
149d41cc0
15689c70e
hex4772270

74916464 has 40 divisors (see below), whose sum is σ = 167905920. Its totient is φ = 31716288.

The previous prime is 74916461. The next prime is 74916473. The reversal of 74916464 is 46461947.

It is a super-2 number, since 2×749164642 = 11224953156526592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74916461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5267 + ... + 13325.

It is an arithmetic number, because the mean of its divisors is an integer number (4197648).

Almost surely, 274916464 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 74916464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83952960).

74916464 is an abundant number, since it is smaller than the sum of its proper divisors (92989456).

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

74916464 is a wasteful number, since it uses less digits than its factorization.

74916464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8157 (or 8151 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 74916464 is about 8655.4297409199. The cubic root of 74916464 is about 421.5597033932.

The spelling of 74916464 in words is "seventy-four million, nine hundred sixteen thousand, four hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 56 83 112 166 332 581 664 1162 1328 2324 4648 8059 9296 16118 32236 56413 64472 112826 128944 225652 451304 668897 902608 1337794 2675588 4682279 5351176 9364558 10702352 18729116 37458232 74916464