726303173 has 16 divisors (see below), whose sum is σ = 770964480. Its totient is φ = 683093376.

The previous prime is 726303143. The next prime is 726303181. The reversal of 726303173 is 371303627.

It is not a de Polignac number, because 726303173 - 2²⁶ = 659194309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726303103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316436 + ... + 318722.

It is an arithmetic number, because the mean of its divisors is an integer number (48185280).

Almost surely, 2^726303173 is an apocalyptic number.

It is an amenable number.

726303173 is a deficient number, since it is larger than the sum of its proper divisors (44661307).

726303173 is a wasteful number, since it uses less digits than its factorization.

726303173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596.

The product of its (nonzero) digits is 15876, while the sum is 32.

The square root of 726303173 is about 26950.0124860825. The cubic root of 726303173 is about 898.8888233108. Note that the first 4 decimals are identical.

The spelling of 726303173 in words is "seven hundred twenty-six million, three hundred three thousand, one hundred seventy-three".