71316982 has 16 divisors (see below), whose sum is σ = 119855952. Its totient is φ = 31540320.

The previous prime is 71316953. The next prime is 71317027. The reversal of 71316982 is 28961317.

It is a super-2 number, since 2×71316982² = 10172223843176648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42993 + ... + 44620.

It is an arithmetic number, because the mean of its divisors is an integer number (7490997).

Almost surely, 2^71316982 is an apocalyptic number.

71316982 is a deficient number, since it is larger than the sum of its proper divisors (48538970).

71316982 is a wasteful number, since it uses less digits than its factorization.

71316982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87663.

The product of its digits is 18144, while the sum is 37.

The square root of 71316982 is about 8444.9382472579. The cubic root of 71316982 is about 414.6970877084.

The spelling of 71316982 in words is "seventy-one million, three hundred sixteen thousand, nine hundred eighty-two".