71737507713 has 16 divisors (see below), whose sum is σ = 96511907520. Its totient is φ = 47394192384.

The previous prime is 71737507711. The next prime is 71737507739. The reversal of 71737507713 is 31770573717.

It is not a de Polignac number, because 71737507713 - 2¹ = 71737507711 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71737507711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2791758 + ... + 2817336.

It is an arithmetic number, because the mean of its divisors is an integer number (6031994220).

Almost surely, 2^71737507713 is an apocalyptic number.

It is an amenable number.

71737507713 is a deficient number, since it is larger than the sum of its proper divisors (24774399807).

71737507713 is a wasteful number, since it uses less digits than its factorization.

71737507713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33968.

The product of its (nonzero) digits is 756315, while the sum is 48.

The spelling of 71737507713 in words is "seventy-one billion, seven hundred thirty-seven million, five hundred seven thousand, seven hundred thirteen".