77572752 has 20 divisors (see below), whose sum is σ = 200396400. Its totient is φ = 25857568.

The previous prime is 77572741. The next prime is 77572771. The reversal of 77572752 is 25727577.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 808002 + ... + 808097.

It is an arithmetic number, because the mean of its divisors is an integer number (10019820).

Almost surely, 2^77572752 is an apocalyptic number.

It is an amenable number.

77572752 is an abundant number, since it is smaller than the sum of its proper divisors (122823648).

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

77572752 is a wasteful number, since it uses less digits than its factorization.

77572752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616110 (or 1616104 counting only the distinct ones).

The product of its digits is 240100, while the sum is 42.

The square root of 77572752 is about 8807.5394974987. The cubic root of 77572752 is about 426.4843176950.

The spelling of 77572752 in words is "seventy-seven million, five hundred seventy-two thousand, seven hundred fifty-two".