764213064 has 32 divisors (see below), whose sum is σ = 1911237120. Its totient is φ = 254643776.

The previous prime is 764212987. The next prime is 764213081. The reversal of 764213064 is 460312467.

It is a happy number.

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, 98329 + ... + 105815.

It is an arithmetic number, because the mean of its divisors is an integer number (59726160).

Almost surely, 2^764213064 is an apocalyptic number.

It is an amenable number.

764213064 is an abundant number, since it is smaller than the sum of its proper divisors (1147024056).

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

764213064 is a wasteful number, since it uses less digits than its factorization.

764213064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11749 (or 11745 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 764213064 is about 27644.4038459866. The cubic root of 764213064 is about 914.2637189556.

It can be divided in two parts, 7642 and 13064, that added together give a triangular number (20706 = T₂₀₃).

The spelling of 764213064 in words is "seven hundred sixty-four million, two hundred thirteen thousand, sixty-four".