764772106 has 12 divisors (see below), whose sum is σ = 1334449458. Its totient is φ = 327759432.

The previous prime is 764772091. The next prime is 764772131. The reversal of 764772106 is 601277467.

It can be written as a sum of positive squares in only one way, i.e., 561453025 + 203319081 = 23695^2 + 14259^2 .

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 5 ways as a sum of consecutive naturals, for example, 3901801 + ... + 3901996.

Almost surely, 2^764772106 is an apocalyptic number.

764772106 is a deficient number, since it is larger than the sum of its proper divisors (569677352).

764772106 is a wasteful number, since it uses less digits than its factorization.

764772106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7803813 (or 7803806 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 764772106 is about 27654.5133025335. The cubic root of 764772106 is about 914.4866006196.

The spelling of 764772106 in words is "seven hundred sixty-four million, seven hundred seventy-two thousand, one hundred six".