72715622356357 has 8 divisors (see below), whose sum is σ = 72864013874400. Its totient is φ = 72567252532464.

The previous prime is 72715622356339. The next prime is 72715622356367. The reversal of 72715622356357 is 75365322651727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72715622356357 is a prime.

It is a super-2 number, since 2×72715622356357² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72715622356295 and 72715622356304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72715622356327) 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, 1295494 + ... + 12128872.

It is an arithmetic number, because the mean of its divisors is an integer number (9108001734300).

Almost surely, 2^{72715622356357} is an apocalyptic number.

It is an amenable number.

72715622356357 is a deficient number, since it is larger than the sum of its proper divisors (148391518043).

72715622356357 is a wasteful number, since it uses less digits than its factorization.

72715622356357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10847075.

The product of its digits is 111132000, while the sum is 61.

The spelling of 72715622356357 in words is "seventy-two trillion, seven hundred fifteen billion, six hundred twenty-two million, three hundred fifty-six thousand, three hundred fifty-seven".