72530082673634 has 16 divisors (see below), whose sum is σ = 111456042810336. Its totient is φ = 35378185533600.

The previous prime is 72530082673583. The next prime is 72530082673649. The reversal of 72530082673634 is 43637628003527.

It is a happy number.

It is a super-2 number, since 2×72530082673634² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 72530082673634.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28036172 + ... + 30513719.

It is an arithmetic number, because the mean of its divisors is an integer number (6966002675646).

Almost surely, 2^{72530082673634} is an apocalyptic number.

72530082673634 is a deficient number, since it is larger than the sum of its proper divisors (38925960136702).

72530082673634 is a wasteful number, since it uses less digits than its factorization.

72530082673634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58565041.

The product of its (nonzero) digits is 30481920, while the sum is 56.

The spelling of 72530082673634 in words is "seventy-two trillion, five hundred thirty billion, eighty-two million, six hundred seventy-three thousand, six hundred thirty-four".