74557992 has 32 divisors (see below), whose sum is σ = 188210880. Its totient is φ = 24610560.

The previous prime is 74557963. The next prime is 74558009. The reversal of 74557992 is 29975547.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12609 + ... + 17552.

It is an arithmetic number, because the mean of its divisors is an integer number (5881590).

Almost surely, 2^74557992 is an apocalyptic number.

It is an amenable number.

74557992 is an abundant number, since it is smaller than the sum of its proper divisors (113652888).

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

74557992 is a wasteful number, since it uses less digits than its factorization.

74557992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30273 (or 30269 counting only the distinct ones).

The product of its digits is 793800, while the sum is 48.

The square root of 74557992 is about 8634.6969836816. The cubic root of 74557992 is about 420.8862465202.

The spelling of 74557992 in words is "seventy-four million, five hundred fifty-seven thousand, nine hundred ninety-two".