72332858507 has 32 divisors (see below), whose sum is σ = 94056990720. Its totient is φ = 54017850240.

The previous prime is 72332858449. The next prime is 72332858569. The reversal of 72332858507 is 70585823327.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 72332858507 - 2⁶ = 72332858443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72332858597) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391373 + ... + 545745.

It is an arithmetic number, because the mean of its divisors is an integer number (2939280960).

Almost surely, 2^72332858507 is an apocalyptic number.

72332858507 is a deficient number, since it is larger than the sum of its proper divisors (21724132213).

72332858507 is a wasteful number, since it uses less digits than its factorization.

72332858507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154683.

The product of its (nonzero) digits is 2822400, while the sum is 50.

The spelling of 72332858507 in words is "seventy-two billion, three hundred thirty-two million, eight hundred fifty-eight thousand, five hundred seven".