726733 has 16 divisors (see below), whose sum is σ = 912384. Its totient is φ = 564480.

The previous prime is 726707. The next prime is 726751. The reversal of 726733 is 337627.

It is not a de Polignac number, because 726733 - 2⁵ = 726701 is a prime.

It is a Duffinian number.

Its product of digits (5292) is a multiple of the sum of its prime divisors (252).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3591 + ... + 3787.

It is an arithmetic number, because the mean of its divisors is an integer number (57024).

2⁷²⁶⁷³³ is an apocalyptic number.

It is an amenable number.

726733 is a deficient number, since it is larger than the sum of its proper divisors (185651).

726733 is a wasteful number, since it uses less digits than its factorization.

726733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252.

The product of its digits is 5292, while the sum is 28.

The square root of 726733 is about 852.4863635273. The cubic root of 726733 is about 89.9066109467.

The spelling of 726733 in words is "seven hundred twenty-six thousand, seven hundred thirty-three".