76947231 has 8 divisors (see below), whose sum is σ = 103555584. Its totient is φ = 50818520.

The previous prime is 76947223. The next prime is 76947251. The reversal of 76947231 is 13274967.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76947231 - 2³ = 76947223 is a prime.

It is a super-2 number, since 2×76947231² = 11841752717134722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 76947231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76947251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119535 + ... + 120176.

It is an arithmetic number, because the mean of its divisors is an integer number (12944448).

Almost surely, 2^76947231 is an apocalyptic number.

76947231 is a deficient number, since it is larger than the sum of its proper divisors (26608353).

76947231 is a wasteful number, since it uses less digits than its factorization.

76947231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239821.

The product of its digits is 63504, while the sum is 39.

The square root of 76947231 is about 8771.9570792384. The cubic root of 76947231 is about 425.3348797753.

The spelling of 76947231 in words is "seventy-six million, nine hundred forty-seven thousand, two hundred thirty-one".