72028005775001 has 8 divisors (see below), whose sum is σ = 74610946819200. Its totient is φ = 69451679178000.

The previous prime is 72028005774997. The next prime is 72028005775021. The reversal of 72028005775001 is 10057750082027.

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 72028005775001 - 2² = 72028005774997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72028005775021) 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, 1653589631 + ... + 1653633188.

It is an arithmetic number, because the mean of its divisors is an integer number (9326368352400).

Almost surely, 2^{72028005775001} is an apocalyptic number.

It is an amenable number.

72028005775001 is a deficient number, since it is larger than the sum of its proper divisors (2582941044199).

72028005775001 is a wasteful number, since it uses less digits than its factorization.

72028005775001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3307223599.

The product of its (nonzero) digits is 274400, while the sum is 44.

The spelling of 72028005775001 in words is "seventy-two trillion, twenty-eight billion, five million, seven hundred seventy-five thousand, one".