72425732544671 has 16 divisors (see below), whose sum is σ = 79868749396128. Its totient is φ = 65126612736000.

The previous prime is 72425732544577. The next prime is 72425732544709. The reversal of 72425732544671 is 17644523752427.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72425732544671 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72425732544671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72425732534671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16922840 + ... + 20766173.

It is an arithmetic number, because the mean of its divisors is an integer number (4991796837258).

Almost surely, 2^{72425732544671} is an apocalyptic number.

72425732544671 is a deficient number, since it is larger than the sum of its proper divisors (7443016851457).

72425732544671 is a wasteful number, since it uses less digits than its factorization.

72425732544671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37690922.

The product of its digits is 79027200, while the sum is 59.

The spelling of 72425732544671 in words is "seventy-two trillion, four hundred twenty-five billion, seven hundred thirty-two million, five hundred forty-four thousand, six hundred seventy-one".