71113756 has 12 divisors (see below), whose sum is σ = 142227568. Its totient is φ = 30477312.

The previous prime is 71113727. The next prime is 71113793. The reversal of 71113756 is 65731117.

71113756 is an admirable number.

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, 1269861 + ... + 1269916.

Almost surely, 2^71113756 is an apocalyptic number.

It is an amenable number.

71113756 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

71113756 is a wasteful number, since it uses less digits than its factorization.

71113756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539788 (or 2539786 counting only the distinct ones).

The product of its digits is 4410, while the sum is 31.

The square root of 71113756 is about 8432.8972482771. The cubic root of 71113756 is about 414.3028038248.

The spelling of 71113756 in words is "seventy-one million, one hundred thirteen thousand, seven hundred fifty-six".