772325660 has 24 divisors (see below), whose sum is σ = 1622510736. Its totient is φ = 308810880.

The previous prime is 772325647. The next prime is 772325693. The reversal of 772325660 is 66523277.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60824 + ... + 72416.

It is an arithmetic number, because the mean of its divisors is an integer number (67604614).

Almost surely, 2^772325660 is an apocalyptic number.

It is an amenable number.

772325660 is an abundant number, since it is smaller than the sum of its proper divisors (850185076).

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

772325660 is a wasteful number, since it uses less digits than its factorization.

772325660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14933 (or 14931 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 772325660 is about 27790.7477409299. The cubic root of 772325660 is about 917.4874972001.

The spelling of 772325660 in words is "seven hundred seventy-two million, three hundred twenty-five thousand, six hundred sixty".