772075625 has 10 divisors (see below), whose sum is σ = 964786482. Its totient is φ = 617660000.

The previous prime is 772075547. The next prime is 772075643. The reversal of 772075625 is 526570277.

It can be written as a sum of positive squares in 5 ways, for example, as 572022889 + 200052736 = 23917^2 + 14144^2 .

It is not a de Polignac number, because 772075625 - 2²² = 767881321 is a prime.

It is a super-2 number, since 2×772075625² = 1192201541438281250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

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 9 ways as a sum of consecutive naturals, for example, 617036 + ... + 618285.

Almost surely, 2^772075625 is an apocalyptic number.

It is an amenable number.

772075625 is a deficient number, since it is larger than the sum of its proper divisors (192710857).

772075625 is an equidigital number, since it uses as much as digits as its factorization.

772075625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235341 (or 1235326 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 41.

The square root of 772075625 is about 27786.2488472266. The cubic root of 772075625 is about 917.3884764723.

It can be divided in two parts, 77 and 2075625, that added together give a palindrome (2075702).

The spelling of 772075625 in words is "seven hundred seventy-two million, seventy-five thousand, six hundred twenty-five".