764075137 has 8 divisors (see below), whose sum is σ = 875664000. Its totient is φ = 653095104.

The previous prime is 764075107. The next prime is 764075141. The reversal of 764075137 is 731570467.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-764075137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 764075137.

It is not an unprimeable number, because it can be changed into a prime (764075107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149512 + ... + 154537.

It is an arithmetic number, because the mean of its divisors is an integer number (109458000).

Almost surely, 2^764075137 is an apocalyptic number.

It is an amenable number.

764075137 is a deficient number, since it is larger than the sum of its proper divisors (111588863).

764075137 is a wasteful number, since it uses less digits than its factorization.

764075137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304415.

The product of its (nonzero) digits is 123480, while the sum is 40.

The square root of 764075137 is about 27641.9090693823. The cubic root of 764075137 is about 914.2087128127.

The spelling of 764075137 in words is "seven hundred sixty-four million, seventy-five thousand, one hundred thirty-seven".