764745020 has 48 divisors (see below), whose sum is σ = 1758849120. Its totient is φ = 277575936.

The previous prime is 764745019. The next prime is 764745053. The reversal of 764745020 is 20547467.

764745020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×764745020² = 1169669891229600800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9587 + ... + 40266.

It is an arithmetic number, because the mean of its divisors is an integer number (36642690).

Almost surely, 2^764745020 is an apocalyptic number.

It is an amenable number.

764745020 is an abundant number, since it is smaller than the sum of its proper divisors (994104100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

764745020 is a wasteful number, since it uses less digits than its factorization.

764745020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49934 (or 49932 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 764745020 is about 27654.0235770493. The cubic root of 764745020 is about 914.4758043417.

The spelling of 764745020 in words is "seven hundred sixty-four million, seven hundred forty-five thousand, twenty".