72814990613 has 16 divisors (see below), whose sum is σ = 77268945600. Its totient is φ = 68423696640.

The previous prime is 72814990583. The next prime is 72814990637. The reversal of 72814990613 is 31609941827.

It is a cyclic number.

It is not a de Polignac number, because 72814990613 - 2⁸ = 72814990357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72814990693) 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, 6488195 + ... + 6499407.

It is an arithmetic number, because the mean of its divisors is an integer number (4829309100).

Almost surely, 2^72814990613 is an apocalyptic number.

It is an amenable number.

72814990613 is a deficient number, since it is larger than the sum of its proper divisors (4453954987).

72814990613 is a wasteful number, since it uses less digits than its factorization.

72814990613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13972.

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 72814990613 in words is "seventy-two billion, eight hundred fourteen million, nine hundred ninety thousand, six hundred thirteen".