72930670233 has 4 divisors (see below), whose sum is σ = 97240893648. Its totient is φ = 48620446820.

The previous prime is 72930670207. The next prime is 72930670247. The reversal of 72930670233 is 33207603927.

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: 33207603927 = 3 ⋅11069201309.

It is a cyclic number.

It is not a de Polignac number, because 72930670233 - 2²⁰ = 72929621657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72930620233) 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, 12155111703 + ... + 12155111708.

It is an arithmetic number, because the mean of its divisors is an integer number (24310223412).

Almost surely, 2^72930670233 is an apocalyptic number.

It is an amenable number.

72930670233 is a deficient number, since it is larger than the sum of its proper divisors (24310223415).

72930670233 is a wasteful number, since it uses less digits than its factorization.

72930670233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24310223414.

The product of its (nonzero) digits is 285768, while the sum is 42.

The spelling of 72930670233 in words is "seventy-two billion, nine hundred thirty million, six hundred seventy thousand, two hundred thirty-three".