764072625 has 32 divisors (see below), whose sum is σ = 1274232960. Its totient is φ = 406603200.

The previous prime is 764072611. The next prime is 764072629. The reversal of 764072625 is 526270467.

It is a happy number.

764072625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 764072625 - 2⁴ = 764072609 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (764072629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188874 + ... + 192876.

It is an arithmetic number, because the mean of its divisors is an integer number (39819780).

Almost surely, 2^764072625 is an apocalyptic number.

764072625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

764072625 is a deficient number, since it is larger than the sum of its proper divisors (510160335).

764072625 is a wasteful number, since it uses less digits than its factorization.

764072625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4530 (or 4520 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 764072625 is about 27641.8636310941. The cubic root of 764072625 is about 914.2077109501.

The spelling of 764072625 in words is "seven hundred sixty-four million, seventy-two thousand, six hundred twenty-five".