72916666666697 has 32 divisors (see below), whose sum is σ = 87533227649280. Its totient is φ = 59419146931200.

The previous prime is 72916666666691. The next prime is 72916666666703. The reversal of 72916666666697 is 79666666661927.

It is an interprime number because it is at equal distance from previous prime (72916666666691) and next prime (72916666666703).

It is not a de Polignac number, because 72916666666697 - 2¹² = 72916666662601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72916666666691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4812638 + ... + 12999800.

It is an arithmetic number, because the mean of its divisors is an integer number (2735413364040).

Almost surely, 2^{72916666666697} is an apocalyptic number.

It is an amenable number.

72916666666697 is a deficient number, since it is larger than the sum of its proper divisors (14616560982583).

72916666666697 is a wasteful number, since it uses less digits than its factorization.

72916666666697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8187873.

The product of its digits is 13332791808, while the sum is 83.

The spelling of 72916666666697 in words is "seventy-two trillion, nine hundred sixteen billion, six hundred sixty-six million, six hundred sixty-six thousand, six hundred ninety-seven".