72124422435 has 64 divisors (see below), whose sum is σ = 139748313600. Its totient is φ = 35079537024.

The previous prime is 72124422371. The next prime is 72124422437. The reversal of 72124422435 is 53422442127.

72124422435 is a `hidden beast` number, since 7 + 212 + 4 + 4 + 2 + 2 + 435 = 666.

It is not a de Polignac number, because 72124422435 - 2⁶ = 72124422371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72124422435.

It is not an unprimeable number, because it can be changed into a prime (72124422437) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 101905 + ... + 393234.

It is an arithmetic number, because the mean of its divisors is an integer number (2183567400).

Almost surely, 2^72124422435 is an apocalyptic number.

72124422435 is a deficient number, since it is larger than the sum of its proper divisors (67623891165).

72124422435 is a wasteful number, since it uses less digits than its factorization.

72124422435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495249 (or 495243 counting only the distinct ones).

The product of its digits is 107520, while the sum is 36.

The spelling of 72124422435 in words is "seventy-two billion, one hundred twenty-four million, four hundred twenty-two thousand, four hundred thirty-five".