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74920892 = 22115116273
BaseRepresentation
bin1000111011100…
…11001110111100
312012222101010212
410131303032330
5123134432032
611233451552
71566550154
oct435631674
9165871125
1074920892
11393221a2
1221110bb8
13126a25b7
149d43764
15689dbb2
hex47733bc

74920892 has 12 divisors (see below), whose sum is σ = 131233536. Its totient is φ = 37425600.

The previous prime is 74920889. The next prime is 74920903. The reversal of 74920892 is 29802947.

It is a super-2 number, since 2×749208922 = 11226280116151328, which 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 3 ways as a sum of consecutive naturals, for example, 3533 + ... + 12740.

It is an arithmetic number, because the mean of its divisors is an integer number (10936128).

Almost surely, 274920892 is an apocalyptic number.

It is an amenable number.

74920892 is a deficient number, since it is larger than the sum of its proper divisors (56312644).

74920892 is a wasteful number, since it uses less digits than its factorization.

74920892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17428 (or 17426 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 74920892 is about 8655.6855303321. The cubic root of 74920892 is about 421.5680087753.

The spelling of 74920892 in words is "seventy-four million, nine hundred twenty thousand, eight hundred ninety-two".

Divisors: 1 2 4 1151 2302 4604 16273 32546 65092 18730223 37460446 74920892