764067137 has 4 divisors (see below), whose sum is σ = 788714496. Its totient is φ = 739419780.

The previous prime is 764067127. The next prime is 764067149. The reversal of 764067137 is 731760467.

764067137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-764067137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 764067094 and 764067103.

It is not an unprimeable number, because it can be changed into a prime (764067127) 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, 12323633 + ... + 12323694.

It is an arithmetic number, because the mean of its divisors is an integer number (197178624).

Almost surely, 2^764067137 is an apocalyptic number.

It is an amenable number.

764067137 is a deficient number, since it is larger than the sum of its proper divisors (24647359).

764067137 is a wasteful number, since it uses less digits than its factorization.

764067137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24647358.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 764067137 is about 27641.7643611981. The cubic root of 764067137 is about 914.2055221599.

The spelling of 764067137 in words is "seven hundred sixty-four million, sixty-seven thousand, one hundred thirty-seven".