72170124060 has 48 divisors (see below), whose sum is σ = 203091840000. Its totient is φ = 19148652864.

The previous prime is 72170124049. The next prime is 72170124071. The reversal of 72170124060 is 6042107127.

It is an interprime number because it is at equal distance from previous prime (72170124049) and next prime (72170124071).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3010260 + ... + 3034139.

It is an arithmetic number, because the mean of its divisors is an integer number (4231080000).

Almost surely, 2^72170124060 is an apocalyptic number.

It is an amenable number.

72170124060 is an abundant number, since it is smaller than the sum of its proper divisors (130921715940).

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

72170124060 is a wasteful number, since it uses less digits than its factorization.

72170124060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6044610 (or 6044608 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The spelling of 72170124060 in words is "seventy-two billion, one hundred seventy million, one hundred twenty-four thousand, sixty".