72060815372 has 48 divisors (see below), whose sum is σ = 155943658752. Its totient is φ = 28372438080.

The previous prime is 72060815363. The next prime is 72060815389. The reversal of 72060815372 is 27351806027.

It is a super-2 number, since 2×72060815372² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392318 + ... + 545925.

It is an arithmetic number, because the mean of its divisors is an integer number (3248826224).

Almost surely, 2^72060815372 is an apocalyptic number.

It is an amenable number.

72060815372 is an abundant number, since it is smaller than the sum of its proper divisors (83882843380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72060815372 is a wasteful number, since it uses less digits than its factorization.

72060815372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938478 (or 938476 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 72060815372 in words is "seventy-two billion, sixty million, eight hundred fifteen thousand, three hundred seventy-two".