72120607104860 has 48 divisors (see below), whose sum is σ = 153671703498432. Its totient is φ = 28426136256000.

The previous prime is 72120607104803. The next prime is 72120607104863. The reversal of 72120607104860 is 6840170602127.

It is a super-2 number, since 2×72120607104860² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72120607104863) 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, 11542847 + ... + 16657686.

It is an arithmetic number, because the mean of its divisors is an integer number (3201493822884).

Almost surely, 2^{72120607104860} is an apocalyptic number.

It is an amenable number.

72120607104860 is an abundant number, since it is smaller than the sum of its proper divisors (81551096393572).

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

72120607104860 is a wasteful number, since it uses less digits than its factorization.

72120607104860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28202414 (or 28202412 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

Adding to 72120607104860 its reverse (6840170602127), we get a palindrome (78960777706987).

The spelling of 72120607104860 in words is "seventy-two trillion, one hundred twenty billion, six hundred seven million, one hundred four thousand, eight hundred sixty".