75332432 has 40 divisors (see below), whose sum is σ = 167257152. Its totient is φ = 32198400.

The previous prime is 75332419. The next prime is 75332461. The reversal of 75332432 is 23423357.

It is a super-2 number, since 2×75332432² = 11349950622069248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75332395 and 75332404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57707 + ... + 58997.

Almost surely, 2^75332432 is an apocalyptic number.

It is an amenable number.

75332432 is an abundant number, since it is smaller than the sum of its proper divisors (91924720).

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

75332432 is a wasteful number, since it uses less digits than its factorization.

75332432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827 (or 1821 counting only the distinct ones).

The product of its digits is 15120, while the sum is 29.

The square root of 75332432 is about 8679.4257874585. The cubic root of 75332432 is about 422.3384899050.

Adding to 75332432 its reverse (23423357), we get a palindrome (98755789).

The spelling of 75332432 in words is "seventy-five million, three hundred thirty-two thousand, four hundred thirty-two".