764069923 has 4 divisors (see below), whose sum is σ = 768645360. Its totient is φ = 759494488.

The previous prime is 764069921. The next prime is 764069951. The reversal of 764069923 is 329960467.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 764069923 - 2¹ = 764069921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (764069921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2287468 + ... + 2287801.

It is an arithmetic number, because the mean of its divisors is an integer number (192161340).

Almost surely, 2^764069923 is an apocalyptic number.

764069923 is a deficient number, since it is larger than the sum of its proper divisors (4575437).

764069923 is a wasteful number, since it uses less digits than its factorization.

764069923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4575436.

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 764069923 is about 27641.8147559092. The cubic root of 764069923 is about 914.2066333073.

The spelling of 764069923 in words is "seven hundred sixty-four million, sixty-nine thousand, nine hundred twenty-three".