76872971 has 8 divisors (see below), whose sum is σ = 87945984. Its totient is φ = 65822760.

The previous prime is 76872959. The next prime is 76872979. The reversal of 76872971 is 17927867.

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 76872971 - 2²⁶ = 9764107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76872979) 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, 2276 + ... + 12606.

It is an arithmetic number, because the mean of its divisors is an integer number (10993248).

Almost surely, 2^76872971 is an apocalyptic number.

76872971 is a deficient number, since it is larger than the sum of its proper divisors (11073013).

76872971 is a wasteful number, since it uses less digits than its factorization.

76872971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11401.

The product of its digits is 296352, while the sum is 47.

The square root of 76872971 is about 8767.7232506506. The cubic root of 76872971 is about 425.1980087709.

The spelling of 76872971 in words is "seventy-six million, eight hundred seventy-two thousand, nine hundred seventy-one".