75731404 has 12 divisors (see below), whose sum is σ = 151462864. Its totient is φ = 32456304.

The previous prime is 75731399. The next prime is 75731407. The reversal of 75731404 is 40413757.

75731404 is an admirable number.

It is a super-2 number, since 2×75731404² = 11470491103622432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (75731407) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1352319 + ... + 1352374.

Almost surely, 2^75731404 is an apocalyptic number.

It is an amenable number.

75731404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

75731404 is a wasteful number, since it uses less digits than its factorization.

75731404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704704 (or 2704702 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 75731404 is about 8702.3792149044. The cubic root of 75731404 is about 423.0827671055.

The spelling of 75731404 in words is "seventy-five million, seven hundred thirty-one thousand, four hundred four".