72425557132242 has 32 divisors (see below), whose sum is σ = 147970879985664. Its totient is φ = 23622154112400.

The previous prime is 72425557132189. The next prime is 72425557132319. The reversal of 72425557132242 is 24223175552427.

It is a super-2 number, since 2×72425557132242² (a number of 29 digits) contains 22 as substring.

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, 31731184 + ... + 33936987.

It is an arithmetic number, because the mean of its divisors is an integer number (4624089999552).

Almost surely, 2^{72425557132242} is an apocalyptic number.

72425557132242 is an abundant number, since it is smaller than the sum of its proper divisors (75545322853422).

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

72425557132242 is a wasteful number, since it uses less digits than its factorization.

72425557132242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65672134.

The product of its digits is 9408000, while the sum is 51.

The spelling of 72425557132242 in words is "seventy-two trillion, four hundred twenty-five billion, five hundred fifty-seven million, one hundred thirty-two thousand, two hundred forty-two".