72526353662673 has 12 divisors (see below), whose sum is σ = 104905991399040. Its totient is φ = 48283655007096.

The previous prime is 72526353662627. The next prime is 72526353662677. The reversal of 72526353662673 is 37626635362527.

It is a happy number.

72526353662673 is a `hidden beast` number, since 7 + 2 + 5 + 2 + 6 + 3 + 5 + 366 + 267 + 3 = 666.

It is not a de Polignac number, because 72526353662673 - 2³² = 72522058695377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72526353662673.

It is not an unprimeable number, because it can be changed into a prime (72526353662677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5603946061 + ... + 5603959002.

It is an arithmetic number, because the mean of its divisors is an integer number (8742165949920).

Almost surely, 2^{72526353662673} is an apocalyptic number.

It is an amenable number.

72526353662673 is a deficient number, since it is larger than the sum of its proper divisors (32379637736367).

72526353662673 is a wasteful number, since it uses less digits than its factorization.

72526353662673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11207905788 (or 11207905785 counting only the distinct ones).

The product of its digits is 342921600, while the sum is 63.

The spelling of 72526353662673 in words is "seventy-two trillion, five hundred twenty-six billion, three hundred fifty-three million, six hundred sixty-two thousand, six hundred seventy-three".