72508990233 has 8 divisors (see below), whose sum is σ = 96680945088. Its totient is φ = 48338181104.

The previous prime is 72508990159. The next prime is 72508990273. The reversal of 72508990233 is 33209980527.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72508990233 - 2³⁴ = 55329121049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72508990273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125910 + ... + 401087.

It is an arithmetic number, because the mean of its divisors is an integer number (12085118136).

Almost surely, 2^72508990233 is an apocalyptic number.

It is an amenable number.

72508990233 is a deficient number, since it is larger than the sum of its proper divisors (24171954855).

72508990233 is a wasteful number, since it uses less digits than its factorization.

72508990233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572863.

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 72508990233 in words is "seventy-two billion, five hundred eight million, nine hundred ninety thousand, two hundred thirty-three".