726851225 has 6 divisors (see below), whose sum is σ = 901295550. Its totient is φ = 581480960.

The previous prime is 726851197. The next prime is 726851243. The reversal of 726851225 is 522158627.

It can be written as a sum of positive squares in 3 ways, for example, as 14868736 + 711982489 = 3856^2 + 26683^2 .

It is not a de Polignac number, because 726851225 - 2⁶ = 726851161 is a prime.

It is a Curzon 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 in 5 ways as a sum of consecutive naturals, for example, 14537000 + ... + 14537049.

It is an arithmetic number, because the mean of its divisors is an integer number (150215925).

Almost surely, 2^726851225 is an apocalyptic number.

It is an amenable number.

726851225 is a deficient number, since it is larger than the sum of its proper divisors (174444325).

726851225 is a wasteful number, since it uses less digits than its factorization.

726851225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29074059 (or 29074054 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 726851225 is about 26960.1785046019. The cubic root of 726851225 is about 899.1148602131.

The spelling of 726851225 in words is "seven hundred twenty-six million, eight hundred fifty-one thousand, two hundred twenty-five".