764021676 has 24 divisors (see below), whose sum is σ = 1944782784. Its totient is φ = 231521680.

The previous prime is 764021669. The next prime is 764021681. The reversal of 764021676 is 676120467.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2893890 + ... + 2894153.

It is an arithmetic number, because the mean of its divisors is an integer number (81032616).

Almost surely, 2^764021676 is an apocalyptic number.

It is an amenable number.

764021676 is an abundant number, since it is smaller than the sum of its proper divisors (1180761108).

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

764021676 is a wasteful number, since it uses less digits than its factorization.

764021676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5788061 (or 5788059 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 764021676 is about 27640.9420244680. The cubic root of 764021676 is about 914.1873904542.

The spelling of 764021676 in words is "seven hundred sixty-four million, twenty-one thousand, six hundred seventy-six".