72140622501 has 4 divisors (see below), whose sum is σ = 96187496672. Its totient is φ = 48093748332.

The previous prime is 72140622481. The next prime is 72140622553. The reversal of 72140622501 is 10522604127.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 72140622501 - 2¹⁴ = 72140606117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72140622581) 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, 12023437081 + ... + 12023437086.

It is an arithmetic number, because the mean of its divisors is an integer number (24046874168).

Almost surely, 2^72140622501 is an apocalyptic number.

It is an amenable number.

72140622501 is a deficient number, since it is larger than the sum of its proper divisors (24046874171).

72140622501 is a wasteful number, since it uses less digits than its factorization.

72140622501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24046874170.

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 72140622501 in words is "seventy-two billion, one hundred forty million, six hundred twenty-two thousand, five hundred one".