726335252 has 6 divisors (see below), whose sum is σ = 1271086698. Its totient is φ = 363167624.

The previous prime is 726335237. The next prime is 726335279. The reversal of 726335252 is 252533627.

It can be written as a sum of positive squares in only one way, i.e., 716311696 + 10023556 = 26764^2 + 3166^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90791903 + ... + 90791910.

It is an arithmetic number, because the mean of its divisors is an integer number (211847783).

Almost surely, 2^726335252 is an apocalyptic number.

It is an amenable number.

726335252 is a deficient number, since it is larger than the sum of its proper divisors (544751446).

726335252 is a wasteful number, since it uses less digits than its factorization.

726335252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181583817 (or 181583815 counting only the distinct ones).

The product of its digits is 75600, while the sum is 35.

The square root of 726335252 is about 26950.6076369346. The cubic root of 726335252 is about 898.9020570085.

Adding to 726335252 its reverse (252533627), we get a palindrome (978868879).

The spelling of 726335252 in words is "seven hundred twenty-six million, three hundred thirty-five thousand, two hundred fifty-two".