72285730015 has 8 divisors (see below), whose sum is σ = 87538682880. Its totient is φ = 57298046112.

The previous prime is 72285730007. The next prime is 72285730037. The reversal of 72285730015 is 51003758227.

It is a happy number.

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 72285730015 - 2³ = 72285730007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72285730015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66316639 + ... + 66317728.

It is an arithmetic number, because the mean of its divisors is an integer number (10942335360).

Almost surely, 2^72285730015 is an apocalyptic number.

72285730015 is a deficient number, since it is larger than the sum of its proper divisors (15252952865).

72285730015 is a wasteful number, since it uses less digits than its factorization.

72285730015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132634481.

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 72285730015 in words is "seventy-two billion, two hundred eighty-five million, seven hundred thirty thousand, fifteen".