772120832 has 54 divisors (see below), whose sum is σ = 1792883358. Its totient is φ = 330903552.

The previous prime is 772120829. The next prime is 772120849. The reversal of 772120832 is 238021277.

It can be written as a sum of positive squares in only one way, i.e., 771506176 + 614656 = 27776^2 + 784^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18233 + ... + 43320.

Almost surely, 2^772120832 is an apocalyptic number.

It is an amenable number.

772120832 is an abundant number, since it is smaller than the sum of its proper divisors (1020762526).

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

772120832 is an equidigital number, since it uses as much as digits as its factorization.

772120832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61583 (or 61562 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 772120832 is about 27787.0623132421. The cubic root of 772120832 is about 917.4063812691.

The spelling of 772120832 in words is "seven hundred seventy-two million, one hundred twenty thousand, eight hundred thirty-two".