761664675 has 24 divisors (see below), whose sum is σ = 1275235840. Its totient is φ = 401076000.

The previous prime is 761664649. The next prime is 761664679. The reversal of 761664675 is 576466167.

It is not a de Polignac number, because 761664675 - 2²⁴ = 744887459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (761664679) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58351 + ... + 70200.

Almost surely, 2^761664675 is an apocalyptic number.

761664675 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

761664675 is a deficient number, since it is larger than the sum of its proper divisors (513571165).

761664675 is a wasteful number, since it uses less digits than its factorization.

761664675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128643 (or 128638 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 48.

The square root of 761664675 is about 27598.2730437975. The cubic root of 761664675 is about 913.2463350484.

The spelling of 761664675 in words is "seven hundred sixty-one million, six hundred sixty-four thousand, six hundred seventy-five".