72122841527 has 4 divisors (see below), whose sum is σ = 78679463496. Its totient is φ = 65566219560.

The previous prime is 72122841517. The next prime is 72122841541. The reversal of 72122841527 is 72514822127.

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 72122841527 - 2²⁴ = 72106064311 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 (72122841517) 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, 3278310968 + ... + 3278310989.

It is an arithmetic number, because the mean of its divisors is an integer number (19669865874).

Almost surely, 2^72122841527 is an apocalyptic number.

72122841527 is a deficient number, since it is larger than the sum of its proper divisors (6556621969).

72122841527 is a wasteful number, since it uses less digits than its factorization.

72122841527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6556621968.

The product of its digits is 125440, while the sum is 41.

The spelling of 72122841527 in words is "seventy-two billion, one hundred twenty-two million, eight hundred forty-one thousand, five hundred twenty-seven".