71912160 has 72 divisors (see below), whose sum is σ = 245405160. Its totient is φ = 19176192.

The previous prime is 71912147. The next prime is 71912167. The reversal of 71912160 is 6121917.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71912167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23530 + ... + 26409.

It is an arithmetic number, because the mean of its divisors is an integer number (3408405).

Almost surely, 2^71912160 is an apocalyptic number.

It is an amenable number.

71912160 is an abundant number, since it is smaller than the sum of its proper divisors (173493000).

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

71912160 is a wasteful number, since it uses less digits than its factorization.

71912160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49960 (or 49949 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 71912160 is about 8480.1037729500. The cubic root of 71912160 is about 415.8475156128.

The spelling of 71912160 in words is "seventy-one million, nine hundred twelve thousand, one hundred sixty".