764346768 has 20 divisors (see below), whose sum is σ = 1974562608. Its totient is φ = 254782240.

The previous prime is 764346767. The next prime is 764346773. The reversal of 764346768 is 867643467.

It is a self number, because there is not a number n which added to its sum of digits gives 764346768.

It is not an unprimeable number, because it can be changed into a prime (764346767) 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, 7961898 + ... + 7961993.

Almost surely, 2^764346768 is an apocalyptic number.

It is an amenable number.

764346768 is an abundant number, since it is smaller than the sum of its proper divisors (1210215840).

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

764346768 is a wasteful number, since it uses less digits than its factorization.

764346768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15923902 (or 15923896 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 51.

The square root of 764346768 is about 27646.8220235166. The cubic root of 764346768 is about 914.3170346227.

The spelling of 764346768 in words is "seven hundred sixty-four million, three hundred forty-six thousand, seven hundred sixty-eight".