72542424527 has 16 divisors (see below), whose sum is σ = 74873548800. Its totient is φ = 70245146400.

The previous prime is 72542424499. The next prime is 72542424569.

72542424527 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 72542424527 - 2⁸ = 72542424271 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 (72542424587) 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, 7680674 + ... + 7690112.

It is an arithmetic number, because the mean of its divisors is an integer number (4679596800).

Almost surely, 2^72542424527 is an apocalyptic number.

72542424527 is a deficient number, since it is larger than the sum of its proper divisors (2331124273).

72542424527 is a wasteful number, since it uses less digits than its factorization.

72542424527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11206.

The product of its digits is 1254400, while the sum is 44.

The spelling of 72542424527 in words is "seventy-two billion, five hundred forty-two million, four hundred twenty-four thousand, five hundred twenty-seven".