71756268 has 12 divisors (see below), whose sum is σ = 167431320. Its totient is φ = 23918752.

The previous prime is 71756261. The next prime is 71756287. The reversal of 71756268 is 86265717.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (71756261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2989833 + ... + 2989856.

It is an arithmetic number, because the mean of its divisors is an integer number (13952610).

Almost surely, 2^71756268 is an apocalyptic number.

It is an amenable number.

71756268 is an abundant number, since it is smaller than the sum of its proper divisors (95675052).

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

71756268 is a wasteful number, since it uses less digits than its factorization.

71756268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5979696 (or 5979694 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 71756268 is about 8470.9071533101. The cubic root of 71756268 is about 415.5468052191.

The spelling of 71756268 in words is "seventy-one million, seven hundred fifty-six thousand, two hundred sixty-eight".