72935284697 has 16 divisors (see below), whose sum is σ = 81008119680. Its totient is φ = 65110780800.

The previous prime is 72935284657. The next prime is 72935284733. The reversal of 72935284697 is 79648253927.

It is a cyclic number.

It is not a de Polignac number, because 72935284697 - 2²⁰ = 72934236121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72935284657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14429 + ... + 382202.

It is an arithmetic number, because the mean of its divisors is an integer number (5063007480).

Almost surely, 2^72935284697 is an apocalyptic number.

It is an amenable number.

72935284697 is a deficient number, since it is larger than the sum of its proper divisors (8072834983).

72935284697 is a wasteful number, since it uses less digits than its factorization.

72935284697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396944.

The product of its digits is 45722880, while the sum is 62.

The spelling of 72935284697 in words is "seventy-two billion, nine hundred thirty-five million, two hundred eighty-four thousand, six hundred ninety-seven".