72602125633 has 4 divisors (see below), whose sum is σ = 76423290160. Its totient is φ = 68780961108.

The previous prime is 72602125613. The next prime is 72602125637. The reversal of 72602125633 is 33652120627.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33652120627 = 131 ⋅256886417.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72602125633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72602125592 and 72602125601.

It is not an unprimeable number, because it can be changed into a prime (72602125637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1910582235 + ... + 1910582272.

It is an arithmetic number, because the mean of its divisors is an integer number (19105822540).

Almost surely, 2^72602125633 is an apocalyptic number.

It is an amenable number.

72602125633 is a deficient number, since it is larger than the sum of its proper divisors (3821164527).

72602125633 is a wasteful number, since it uses less digits than its factorization.

72602125633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3821164526.

The product of its (nonzero) digits is 90720, while the sum is 37.

The spelling of 72602125633 in words is "seventy-two billion, six hundred two million, one hundred twenty-five thousand, six hundred thirty-three".