71713936 has 20 divisors (see below), whose sum is σ = 158795392. Its totient is φ = 30734496.

The previous prime is 71713913. The next prime is 71713951. The reversal of 71713936 is 63931717.

It is a super-2 number, since 2×71713936² = 10285777233224192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71713895 and 71713904.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320040 + ... + 320263.

Almost surely, 2^71713936 is an apocalyptic number.

It is an amenable number.

71713936 is an abundant number, since it is smaller than the sum of its proper divisors (87081456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71713936 is a wasteful number, since it uses less digits than its factorization.

71713936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640318 (or 640312 counting only the distinct ones).

The product of its digits is 23814, while the sum is 37.

The square root of 71713936 is about 8468.4081148702. The cubic root of 71713936 is about 415.4650730434.

The spelling of 71713936 in words is "seventy-one million, seven hundred thirteen thousand, nine hundred thirty-six".