764712431 has 4 divisors (see below), whose sum is σ = 873957072. Its totient is φ = 655467792.

The previous prime is 764712427. The next prime is 764712439. The reversal of 764712431 is 134217467.

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

It is not a de Polignac number, because 764712431 - 2² = 764712427 is a prime.

It is a super-2 number, since 2×764712431² = 1169570204251859522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 764712391 and 764712400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764712439) 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, 54622310 + ... + 54622323.

It is an arithmetic number, because the mean of its divisors is an integer number (218489268).

Almost surely, 2^764712431 is an apocalyptic number.

764712431 is a deficient number, since it is larger than the sum of its proper divisors (109244641).

764712431 is a wasteful number, since it uses less digits than its factorization.

764712431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109244640.

The product of its digits is 28224, while the sum is 35.

The square root of 764712431 is about 27653.4343436760. The cubic root of 764712431 is about 914.4628142711.

Adding to 764712431 its reverse (134217467), we get a palindrome (898929898).

The spelling of 764712431 in words is "seven hundred sixty-four million, seven hundred twelve thousand, four hundred thirty-one".