75042924 has 48 divisors (see below), whose sum is σ = 191525376. Its totient is φ = 22680000.

The previous prime is 75042917. The next prime is 75042943. The reversal of 75042924 is 42924057.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 15 ways as a sum of consecutive naturals, for example, 98754 + ... + 99510.

It is an arithmetic number, because the mean of its divisors is an integer number (3990112).

Almost surely, 2^75042924 is an apocalyptic number.

It is an amenable number.

75042924 is an abundant number, since it is smaller than the sum of its proper divisors (116482452).

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

75042924 is a wasteful number, since it uses less digits than its factorization.

75042924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526 (or 1524 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 75042924 is about 8662.7319016578. The cubic root of 75042924 is about 421.7967695381.

The spelling of 75042924 in words is "seventy-five million, forty-two thousand, nine hundred twenty-four".