71513116 has 12 divisors (see below), whose sum is σ = 125312488. Its totient is φ = 35709552.

The previous prime is 71513089. The next prime is 71513149. The reversal of 71513116 is 61131517.

It is a super-2 number, since 2×71513116² = 10228251520058912, which contains 22 as substring.

It is a congruent number.

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, 8211 + ... + 14506.

Almost surely, 2^71513116 is an apocalyptic number.

It is an amenable number.

71513116 is a deficient number, since it is larger than the sum of its proper divisors (53799372).

71513116 is a wasteful number, since it uses less digits than its factorization.

71513116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23508 (or 23506 counting only the distinct ones).

The product of its digits is 630, while the sum is 25.

The square root of 71513116 is about 8456.5427924182. The cubic root of 71513116 is about 415.0769025724.

It can be divided in two parts, 715 and 13116, that added together give a palindrome (13831).

The spelling of 71513116 in words is "seventy-one million, five hundred thirteen thousand, one hundred sixteen".