726085917 has 16 divisors (see below), whose sum is σ = 1100700480. Its totient is φ = 472799376.

The previous prime is 726085897. The next prime is 726085957. The reversal of 726085917 is 719580627.

726085917 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 726085917 - 2²⁴ = 709308701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726085957) 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, 311538 + ... + 313859.

It is an arithmetic number, because the mean of its divisors is an integer number (68793780).

Almost surely, 2^726085917 is an apocalyptic number.

It is an amenable number.

726085917 is a deficient number, since it is larger than the sum of its proper divisors (374614563).

726085917 is a wasteful number, since it uses less digits than its factorization.

726085917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625449 (or 625443 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 726085917 is about 26945.9814629195. The cubic root of 726085917 is about 898.7991874339.

The spelling of 726085917 in words is "seven hundred twenty-six million, eighty-five thousand, nine hundred seventeen".