726637065 has 48 divisors (see below), whose sum is σ = 1460505984. Its totient is φ = 301973760.

The previous prime is 726637039. The next prime is 726637129. The reversal of 726637065 is 560736627.

726637065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 726637065 - 2⁵ = 726637033 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15892 + ... + 41301.

It is an arithmetic number, because the mean of its divisors is an integer number (30427208).

Almost surely, 2^726637065 is an apocalyptic number.

It is an amenable number.

726637065 is an abundant number, since it is smaller than the sum of its proper divisors (733868919).

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

726637065 is a wasteful number, since it uses less digits than its factorization.

726637065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57230 (or 57219 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 42.

The square root of 726637065 is about 26956.2064282050. The cubic root of 726637065 is about 899.0265462426.

The spelling of 726637065 in words is "seven hundred twenty-six million, six hundred thirty-seven thousand, sixty-five".