75612772 has 6 divisors (see below), whose sum is σ = 132322358. Its totient is φ = 37806384.

The previous prime is 75612769. The next prime is 75612781. The reversal of 75612772 is 27721657.

It can be written as a sum of positive squares in only one way, i.e., 73719396 + 1893376 = 8586^2 + 1376^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9451593 + ... + 9451600.

Almost surely, 2^75612772 is an apocalyptic number.

It is an amenable number.

75612772 is a deficient number, since it is larger than the sum of its proper divisors (56709586).

75612772 is a wasteful number, since it uses less digits than its factorization.

75612772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18903197 (or 18903195 counting only the distinct ones).

The product of its digits is 41160, while the sum is 37.

The square root of 75612772 is about 8695.5604764730. The cubic root of 75612772 is about 422.8617342496.

The spelling of 75612772 in words is "seventy-five million, six hundred twelve thousand, seven hundred seventy-two".