764313125 has 20 divisors (see below), whose sum is σ = 988043100. Its totient is φ = 590352000.

The previous prime is 764313119. The next prime is 764313131. The reversal of 764313125 is 521313467.

It is an interprime number because it is at equal distance from previous prime (764313119) and next prime (764313131).

It can be written as a sum of positive squares in 10 ways, for example, as 334414369 + 429898756 = 18287^2 + 20734^2 .

It is not a de Polignac number, because 764313125 - 2²⁰ = 763264549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 764313091 and 764313100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2960 + ... + 39209.

It is an arithmetic number, because the mean of its divisors is an integer number (49402155).

Almost surely, 2^764313125 is an apocalyptic number.

It is an amenable number.

764313125 is a deficient number, since it is larger than the sum of its proper divisors (223729975).

764313125 is an equidigital number, since it uses as much as digits as its factorization.

764313125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42218 (or 42203 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 764313125 is about 27646.2135743758. The cubic root of 764313125 is about 914.3036197607.

The spelling of 764313125 in words is "seven hundred sixty-four million, three hundred thirteen thousand, one hundred twenty-five".