71725725100 has 54 divisors (see below), whose sum is σ = 165339031340. Its totient is φ = 27002615040.

The previous prime is 71725725073. The next prime is 71725725167. The reversal of 71725725100 is 152752717.

It is a super-2 number, since 2×71725725100² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71725725100.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1212030 + ... + 1269829.

Almost surely, 2^71725725100 is an apocalyptic number.

It is an amenable number.

71725725100 is an abundant number, since it is smaller than the sum of its proper divisors (93613306240).

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

71725725100 is a wasteful number, since it uses less digits than its factorization.

71725725100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481907 (or 2481883 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 37.

The spelling of 71725725100 in words is "seventy-one billion, seven hundred twenty-five million, seven hundred twenty-five thousand, one hundred".