72958697861 has 8 divisors (see below), whose sum is σ = 83496067200. Its totient is φ = 62450003088.

The previous prime is 72958697849. The next prime is 72958697891. The reversal of 72958697861 is 16879685927.

It is a happy number.

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 72958697861 - 2²⁶ = 72891588997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72958697791 and 72958697800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72958697891) 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, 7163186 + ... + 7173363.

It is an arithmetic number, because the mean of its divisors is an integer number (10437008400).

Almost surely, 2^72958697861 is an apocalyptic number.

It is an amenable number.

72958697861 is a deficient number, since it is larger than the sum of its proper divisors (10537369339).

72958697861 is a wasteful number, since it uses less digits than its factorization.

72958697861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14337283.

The product of its digits is 91445760, while the sum is 68.

The spelling of 72958697861 in words is "seventy-two billion, nine hundred fifty-eight million, six hundred ninety-seven thousand, eight hundred sixty-one".