72061522315 has 8 divisors (see below), whose sum is σ = 86492455200. Its totient is φ = 57636798912.

The previous prime is 72061522283. The next prime is 72061522333. The reversal of 72061522315 is 51322516027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72061522315 - 2⁵ = 72061522283 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1526799 + ... + 1573288.

It is an arithmetic number, because the mean of its divisors is an integer number (10811556900).

Almost surely, 2^72061522315 is an apocalyptic number.

72061522315 is a deficient number, since it is larger than the sum of its proper divisors (14430932885).

72061522315 is a wasteful number, since it uses less digits than its factorization.

72061522315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104741.

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 72061522315 in words is "seventy-two billion, sixty-one million, five hundred twenty-two thousand, three hundred fifteen".