71483931 has 32 divisors (see below), whose sum is σ = 113118720. Its totient is φ = 44507232.

The previous prime is 71483917. The next prime is 71483939. The reversal of 71483931 is 13938417.

It is a happy number.

It is not a de Polignac number, because 71483931 - 2¹⁰ = 71482907 is a prime.

It is a super-2 number, since 2×71483931² = 10219904782425522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71483939) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25365 + ... + 28041.

It is an arithmetic number, because the mean of its divisors is an integer number (3534960).

Almost surely, 2^71483931 is an apocalyptic number.

71483931 is a deficient number, since it is larger than the sum of its proper divisors (41634789).

71483931 is a wasteful number, since it uses less digits than its factorization.

71483931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752 (or 2746 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 71483931 is about 8454.8170293626. The cubic root of 71483931 is about 415.0204296325.

The spelling of 71483931 in words is "seventy-one million, four hundred eighty-three thousand, nine hundred thirty-one".