72385837672 has 64 divisors (see below), whose sum is σ = 141375600000. Its totient is φ = 34703665920.

The previous prime is 72385837649. The next prime is 72385837721. The reversal of 72385837672 is 27673858327.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31900954 + ... + 31903222.

It is an arithmetic number, because the mean of its divisors is an integer number (2208993750).

Almost surely, 2^72385837672 is an apocalyptic number.

It is an amenable number.

72385837672 is a deficient number, since it is larger than the sum of its proper divisors (68989762328).

72385837672 is a wasteful number, since it uses less digits than its factorization.

72385837672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3194 (or 3190 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 58.

The spelling of 72385837672 in words is "seventy-two billion, three hundred eighty-five million, eight hundred thirty-seven thousand, six hundred seventy-two".