76231971 has 24 divisors (see below), whose sum is σ = 117234000. Its totient is φ = 47596032.

The previous prime is 76231949. The next prime is 76231973. The reversal of 76231971 is 17913267.

It is a happy number.

It is not a de Polignac number, because 76231971 - 2⁶ = 76231907 is a prime.

It is a super-2 number, since 2×76231971² = 11622626805089682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76231973) 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, 12715 + ... + 17723.

It is an arithmetic number, because the mean of its divisors is an integer number (4884750).

Almost surely, 2^76231971 is an apocalyptic number.

76231971 is a deficient number, since it is larger than the sum of its proper divisors (41002029).

76231971 is a wasteful number, since it uses less digits than its factorization.

76231971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5123 (or 5120 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 76231971 is about 8731.0921997193. The cubic root of 76231971 is about 424.0128804530.

The spelling of 76231971 in words is "seventy-six million, two hundred thirty-one thousand, nine hundred seventy-one".