75028712 has 24 divisors (see below), whose sum is σ = 154632450. Its totient is φ = 34103520.

The previous prime is 75028703. The next prime is 75028717. The reversal of 75028712 is 21782057.

It can be written as a sum of positive squares in only one way, i.e., 41550916 + 33477796 = 6446^2 + 5786^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (75028717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37787 + ... + 39722.

Almost surely, 2^75028712 is an apocalyptic number.

It is an amenable number.

75028712 is an abundant number, since it is smaller than the sum of its proper divisors (79603738).

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

75028712 is a wasteful number, since it uses less digits than its factorization.

75028712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77537 (or 77522 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 75028712 is about 8661.9115673158. The cubic root of 75028712 is about 421.7701405377.

The spelling of 75028712 in words is "seventy-five million, twenty-eight thousand, seven hundred twelve".