726080015 has 4 divisors (see below), whose sum is σ = 871296024. Its totient is φ = 580864008.

The previous prime is 726079969. The next prime is 726080023. The reversal of 726080015 is 510080627.

726080015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 726080015 - 2⁶ = 726079951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 726080015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72607997 + ... + 72608006.

It is an arithmetic number, because the mean of its divisors is an integer number (217824006).

Almost surely, 2^726080015 is an apocalyptic number.

726080015 is a deficient number, since it is larger than the sum of its proper divisors (145216009).

726080015 is a wasteful number, since it uses less digits than its factorization.

726080015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145216008.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 726080015 is about 26945.8719472946. The cubic root of 726080015 is about 898.7967521265.

The spelling of 726080015 in words is "seven hundred twenty-six million, eighty thousand, fifteen".