72426351124572 has 24 divisors (see below), whose sum is σ = 173116644152592. Its totient is φ = 23553284918400.

The previous prime is 72426351124513. The next prime is 72426351124597. The reversal of 72426351124572 is 27542115362427.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73604014879 + ... + 73604015862.

It is an arithmetic number, because the mean of its divisors is an integer number (7213193506358).

Almost surely, 2^{72426351124572} is an apocalyptic number.

It is an amenable number.

72426351124572 is an abundant number, since it is smaller than the sum of its proper divisors (100690293028020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72426351124572 is a wasteful number, since it uses less digits than its factorization.

72426351124572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147208030789 (or 147208030787 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 51.

Adding to 72426351124572 its reverse (27542115362427), we get a palindrome (99968466486999).

The spelling of 72426351124572 in words is "seventy-two trillion, four hundred twenty-six billion, three hundred fifty-one million, one hundred twenty-four thousand, five hundred seventy-two".