764035668 has 72 divisors (see below), whose sum is σ = 2109927456. Its totient is φ = 231192000.

The previous prime is 764035661. The next prime is 764035693. The reversal of 764035668 is 866530467.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764035661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 514455 + ... + 515937.

It is an arithmetic number, because the mean of its divisors is an integer number (29304548).

Almost surely, 2^764035668 is an apocalyptic number.

It is an amenable number.

764035668 is an abundant number, since it is smaller than the sum of its proper divisors (1345891788).

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

764035668 is a wasteful number, since it uses less digits than its factorization.

764035668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805 (or 2800 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 764035668 is about 27641.1951261157. The cubic root of 764035668 is about 914.1929711126.

The spelling of 764035668 in words is "seven hundred sixty-four million, thirty-five thousand, six hundred sixty-eight".