764691416 has 16 divisors (see below), whose sum is σ = 1518137640. Its totient is φ = 359854720.

The previous prime is 764691397. The next prime is 764691427. The reversal of 764691416 is 614196467.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2811230 + ... + 2811501.

Almost surely, 2^764691416 is an apocalyptic number.

It is an amenable number.

764691416 is a deficient number, since it is larger than the sum of its proper divisors (753446224).

764691416 is a wasteful number, since it uses less digits than its factorization.

764691416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5622754 (or 5622750 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 764691416 is about 27653.0543701776. The cubic root of 764691416 is about 914.4544374350.

The spelling of 764691416 in words is "seven hundred sixty-four million, six hundred ninety-one thousand, four hundred sixteen".