722071612765623 has 64 divisors (see below), whose sum is σ = 1047342371927040. Its totient is φ = 440799719872512.

The previous prime is 722071612765619. The next prime is 722071612765637. The reversal of 722071612765623 is 326567216170227.

It is not a de Polignac number, because 722071612765623 - 2² = 722071612765619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722071612765663) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 187228161 + ... + 191045877.

It is an arithmetic number, because the mean of its divisors is an integer number (16364724561360).

Almost surely, 2^{722071612765623} is an apocalyptic number.

722071612765623 is a deficient number, since it is larger than the sum of its proper divisors (325270759161417).

722071612765623 is a wasteful number, since it uses less digits than its factorization.

722071612765623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818376.

The product of its (nonzero) digits is 17781120, while the sum is 57.

The spelling of 722071612765623 in words is "seven hundred twenty-two trillion, seventy-one billion, six hundred twelve million, seven hundred sixty-five thousand, six hundred twenty-three".