726218852 has 18 divisors (see below), whose sum is σ = 1350040482. Its totient is φ = 341749504.

The previous prime is 726218837. The next prime is 726218897. The reversal of 726218852 is 258812627.

It can be written as a sum of positive squares in 3 ways, for example, as 381967936 + 344250916 = 19544^2 + 18554^2 .

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 5 ways as a sum of consecutive naturals, for example, 312953 + ... + 315264.

It is an arithmetic number, because the mean of its divisors is an integer number (75002249).

Almost surely, 2^726218852 is an apocalyptic number.

It is an amenable number.

726218852 is a deficient number, since it is larger than the sum of its proper divisors (623821630).

726218852 is a wasteful number, since it uses less digits than its factorization.

726218852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628255 (or 628236 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 726218852 is about 26948.4480443680. The cubic root of 726218852 is about 898.8540361215.

The spelling of 726218852 in words is "seven hundred twenty-six million, two hundred eighteen thousand, eight hundred fifty-two".