75057432 has 32 divisors (see below), whose sum is σ = 190218480. Its totient is φ = 24675840.

The previous prime is 75057407. The next prime is 75057457. The reversal of 75057432 is 23475057.

It is an interprime number because it is at equal distance from previous prime (75057407) and next prime (75057457).

It is a junction number, because it is equal to n+sod(n) for n = 75057393 and 75057402.

It is a congruent number.

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, 19669 + ... + 23172.

Almost surely, 2^75057432 is an apocalyptic number.

It is an amenable number.

75057432 is an abundant number, since it is smaller than the sum of its proper divisors (115161048).

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

75057432 is a wasteful number, since it uses less digits than its factorization.

75057432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42923 (or 42919 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 75057432 is about 8663.5692413693. The cubic root of 75057432 is about 421.8239496856.

The spelling of 75057432 in words is "seventy-five million, fifty-seven thousand, four hundred thirty-two".