726717252 has 48 divisors (see below), whose sum is σ = 1755471872. Its totient is φ = 233742240.

The previous prime is 726717239. The next prime is 726717317. The reversal of 726717252 is 252717627.

It is a self number, because there is not a number n which added to its sum of digits gives 726717252.

It is an unprimeable number.

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, 133863 + ... + 139185.

Almost surely, 2^726717252 is an apocalyptic number.

It is an amenable number.

726717252 is an abundant number, since it is smaller than the sum of its proper divisors (1028754620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

726717252 is a wasteful number, since it uses less digits than its factorization.

726717252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5728 (or 5726 counting only the distinct ones).

The product of its digits is 82320, while the sum is 39.

The square root of 726717252 is about 26957.6937440872. The cubic root of 726717252 is about 899.0596152915.

The spelling of 726717252 in words is "seven hundred twenty-six million, seven hundred seventeen thousand, two hundred fifty-two".