72411737656623 has 4 divisors (see below), whose sum is σ = 96548983542168. Its totient is φ = 48274491771080.

The previous prime is 72411737656589. The next prime is 72411737656637. The reversal of 72411737656623 is 32665673711427.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72411737656623 - 2⁸ = 72411737656367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72411737655623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12068622942768 + ... + 12068622942773.

It is an arithmetic number, because the mean of its divisors is an integer number (24137245885542).

Almost surely, 2^{72411737656623} is an apocalyptic number.

72411737656623 is a deficient number, since it is larger than the sum of its proper divisors (24137245885545).

72411737656623 is a wasteful number, since it uses less digits than its factorization.

72411737656623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24137245885544.

The product of its digits is 53343360, while the sum is 60.

The spelling of 72411737656623 in words is "seventy-two trillion, four hundred eleven billion, seven hundred thirty-seven million, six hundred fifty-six thousand, six hundred twenty-three".