764662968 has 96 divisors (see below), whose sum is σ = 2167495200. Its totient is φ = 243074304.

The previous prime is 764662963. The next prime is 764662973. The reversal of 764662968 is 869266467.

764662968 is a `hidden beast` number, since 7 + 6 + 4 + 6 + 629 + 6 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (764662963) and next prime (764662973).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764662963) 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, 921978 + ... + 922806.

It is an arithmetic number, because the mean of its divisors is an integer number (22578075).

Almost surely, 2^764662968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 764662968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1083747600).

764662968 is an abundant number, since it is smaller than the sum of its proper divisors (1402832232).

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

764662968 is a wasteful number, since it uses less digits than its factorization.

764662968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421 (or 1414 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 764662968 is about 27652.5399918344. The cubic root of 764662968 is about 914.4430974697.

The spelling of 764662968 in words is "seven hundred sixty-four million, six hundred sixty-two thousand, nine hundred sixty-eight".