726245122437 has 24 divisors (see below), whose sum is σ = 1057577963520. Its totient is φ = 480216068640.

The previous prime is 726245122391. The next prime is 726245122439. The reversal of 726245122437 is 734221542627.

726245122437 is a `hidden beast` number, since 7 + 2 + 624 + 5 + 12 + 2 + 4 + 3 + 7 = 666.

It is not a de Polignac number, because 726245122437 - 2²⁶ = 726178013573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 726245122392 and 726245122401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726245122439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4062739 + ... + 4237727.

It is an arithmetic number, because the mean of its divisors is an integer number (44065748480).

Almost surely, 2^726245122437 is an apocalyptic number.

It is an amenable number.

726245122437 is a deficient number, since it is larger than the sum of its proper divisors (331332841083).

726245122437 is a wasteful number, since it uses less digits than its factorization.

726245122437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178753 (or 178750 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 45.

The spelling of 726245122437 in words is "seven hundred twenty-six billion, two hundred forty-five million, one hundred twenty-two thousand, four hundred thirty-seven".