764809932 has 12 divisors (see below), whose sum is σ = 1784556536. Its totient is φ = 254936640.

The previous prime is 764809919. The next prime is 764809933. The reversal of 764809932 is 239908467.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (764809933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31867069 + ... + 31867092.

Almost surely, 2^764809932 is an apocalyptic number.

It is an amenable number.

764809932 is an abundant number, since it is smaller than the sum of its proper divisors (1019746604).

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

764809932 is a wasteful number, since it uses less digits than its factorization.

764809932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63734168 (or 63734166 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 764809932 is about 27655.1971969104. The cubic root of 764809932 is about 914.5016773549.

The spelling of 764809932 in words is "seven hundred sixty-four million, eight hundred nine thousand, nine hundred thirty-two".