764727423 has 4 divisors (see below), whose sum is σ = 1019636568. Its totient is φ = 509818280.

The previous prime is 764727413. The next prime is 764727443. The reversal of 764727423 is 324727467.

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 764727423 - 2²⁸ = 496291967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764727413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127454568 + ... + 127454573.

It is an arithmetic number, because the mean of its divisors is an integer number (254909142).

Almost surely, 2^764727423 is an apocalyptic number.

764727423 is a deficient number, since it is larger than the sum of its proper divisors (254909145).

764727423 is a wasteful number, since it uses less digits than its factorization.

764727423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254909144.

The product of its digits is 395136, while the sum is 42.

The square root of 764727423 is about 27653.7054117527. The cubic root of 764727423 is about 914.4687901720.

The spelling of 764727423 in words is "seven hundred sixty-four million, seven hundred twenty-seven thousand, four hundred twenty-three".