726454225 has 12 divisors (see below), whose sum is σ = 1029489664. Its totient is φ = 498139920.

The previous prime is 726454219. The next prime is 726454237. The reversal of 726454225 is 522454627.

It is not a de Polignac number, because 726454225 - 2²⁹ = 189583313 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 2075409 + ... + 2075758.

Almost surely, 2^726454225 is an apocalyptic number.

It is an amenable number.

726454225 is a deficient number, since it is larger than the sum of its proper divisors (303035439).

726454225 is a wasteful number, since it uses less digits than its factorization.

726454225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4151184 (or 4151179 counting only the distinct ones).

The product of its digits is 134400, while the sum is 37.

The square root of 726454225 is about 26952.8147880699. The cubic root of 726454225 is about 898.9511340867.

The spelling of 726454225 in words is "seven hundred twenty-six million, four hundred fifty-four thousand, two hundred twenty-five".