72137596 has 24 divisors (see below), whose sum is σ = 133932960. Its totient is φ = 33879552.

The previous prime is 72137561. The next prime is 72137599. The reversal of 72137596 is 69573127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72137599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55320 + ... + 56608.

It is an arithmetic number, because the mean of its divisors is an integer number (5580540).

Almost surely, 2^72137596 is an apocalyptic number.

It is an amenable number.

72137596 is a deficient number, since it is larger than the sum of its proper divisors (61795364).

72137596 is a wasteful number, since it uses less digits than its factorization.

72137596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133 (or 2131 counting only the distinct ones).

The product of its digits is 79380, while the sum is 40.

The square root of 72137596 is about 8493.3854263185. The cubic root of 72137596 is about 416.2816063559.

The spelling of 72137596 in words is "seventy-two million, one hundred thirty-seven thousand, five hundred ninety-six".