772288625 has 8 divisors (see below), whose sum is σ = 963816360. Its totient is φ = 617830800.

The previous prime is 772288607. The next prime is 772288637. The reversal of 772288625 is 526882277.

It can be written as a sum of positive squares in 4 ways, for example, as 130325056 + 641963569 = 11416^2 + 25337^2 .

It is not a de Polignac number, because 772288625 - 2⁸ = 772288369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 772288625.

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, 3089030 + ... + 3089279.

It is an arithmetic number, because the mean of its divisors is an integer number (120477045).

Almost surely, 2^772288625 is an apocalyptic number.

It is an amenable number.

772288625 is a deficient number, since it is larger than the sum of its proper divisors (191527735).

772288625 is an equidigital number, since it uses as much as digits as its factorization.

772288625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6178324 (or 6178314 counting only the distinct ones).

The product of its digits is 752640, while the sum is 47.

The square root of 772288625 is about 27790.0814140585. The cubic root of 772288625 is about 917.4728316713.

The spelling of 772288625 in words is "seven hundred seventy-two million, two hundred eighty-eight thousand, six hundred twenty-five".