72368534 has 32 divisors (see below), whose sum is σ = 130014720. Its totient is φ = 29538432.

The previous prime is 72368531. The next prime is 72368551. The reversal of 72368534 is 43586327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72368531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121742 + ... + 122334.

It is an arithmetic number, because the mean of its divisors is an integer number (4062960).

Almost surely, 2^72368534 is an apocalyptic number.

72368534 is a deficient number, since it is larger than the sum of its proper divisors (57646186).

72368534 is a wasteful number, since it uses less digits than its factorization.

72368534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004.

The product of its digits is 120960, while the sum is 38.

The square root of 72368534 is about 8506.9697307561. The cubic root of 72368534 is about 416.7253547911.

The spelling of 72368534 in words is "seventy-two million, three hundred sixty-eight thousand, five hundred thirty-four".