764725106 has 16 divisors (see below), whose sum is σ = 1154146968. Its totient is φ = 380016000.

The previous prime is 764725103. The next prime is 764725111. The reversal of 764725106 is 601527467.

It can be written as a sum of positive squares in 4 ways, for example, as 709742881 + 54982225 = 26641^2 + 7415^2 .

It is a super-2 number, since 2×764725106² = 1169608975493422472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 764725106.

It is not an unprimeable number, because it can be changed into a prime (764725103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325496 + ... + 327836.

Almost surely, 2^764725106 is an apocalyptic number.

764725106 is a deficient number, since it is larger than the sum of its proper divisors (389421862).

764725106 is a wasteful number, since it uses less digits than its factorization.

764725106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 764725106 is about 27653.6635186009. The cubic root of 764725106 is about 914.4678666070.

The spelling of 764725106 in words is "seven hundred sixty-four million, seven hundred twenty-five thousand, one hundred six".