72972405005 has 8 divisors (see below), whose sum is σ = 92175669600. Its totient is φ = 55305401616.

The previous prime is 72972404971. The next prime is 72972405013. The reversal of 72972405005 is 50050427927.

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 72972405005 - 2⁶ = 72972404941 is a prime.

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, 384065195 + ... + 384065384.

It is an arithmetic number, because the mean of its divisors is an integer number (11521958700).

Almost surely, 2^72972405005 is an apocalyptic number.

It is an amenable number.

72972405005 is a deficient number, since it is larger than the sum of its proper divisors (19203264595).

72972405005 is a wasteful number, since it uses less digits than its factorization.

72972405005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768130603.

The product of its (nonzero) digits is 176400, while the sum is 41.

The spelling of 72972405005 in words is "seventy-two billion, nine hundred seventy-two million, four hundred five thousand, five".