72722707796901 has 32 divisors (see below), whose sum is σ = 102493465620480. Its totient is φ = 45738214099200.

The previous prime is 72722707796897. The next prime is 72722707796903. The reversal of 72722707796901 is 10969770722727.

It is not a de Polignac number, because 72722707796901 - 2² = 72722707796897 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72722707796903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 703323916 + ... + 703427306.

It is an arithmetic number, because the mean of its divisors is an integer number (3202920800640).

Almost surely, 2^{72722707796901} is an apocalyptic number.

It is an amenable number.

72722707796901 is a deficient number, since it is larger than the sum of its proper divisors (29770757823579).

72722707796901 is a wasteful number, since it uses less digits than its factorization.

72722707796901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154857.

The product of its (nonzero) digits is 65345616, while the sum is 66.

The spelling of 72722707796901 in words is "seventy-two trillion, seven hundred twenty-two billion, seven hundred seven million, seven hundred ninety-six thousand, nine hundred one".