72658694742395 has 16 divisors (see below), whose sum is σ = 87472623206880. Its totient is φ = 57938859393024.

The previous prime is 72658694742379. The next prime is 72658694742397. The reversal of 72658694742395 is 59324749685627.

It is a cyclic number.

It is not a de Polignac number, because 72658694742395 - 2⁴ = 72658694742379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72658694742397) 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, 17612924 + ... + 21343206.

It is an arithmetic number, because the mean of its divisors is an integer number (5467038950430).

Almost surely, 2^{72658694742395} is an apocalyptic number.

72658694742395 is a deficient number, since it is larger than the sum of its proper divisors (14813928464485).

72658694742395 is a wasteful number, since it uses less digits than its factorization.

72658694742395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3742894.

The product of its digits is 5486745600, while the sum is 77.

The spelling of 72658694742395 in words is "seventy-two trillion, six hundred fifty-eight billion, six hundred ninety-four million, seven hundred forty-two thousand, three hundred ninety-five".