725274456 has 64 divisors (see below), whose sum is σ = 1957305600. Its totient is φ = 223267968.

The previous prime is 725274413. The next prime is 725274457. The reversal of 725274456 is 654472527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725274457) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6646 + ... + 38661.

It is an arithmetic number, because the mean of its divisors is an integer number (30582900).

Almost surely, 2^725274456 is an apocalyptic number.

It is an amenable number.

725274456 is an abundant number, since it is smaller than the sum of its proper divisors (1232031144).

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

725274456 is a wasteful number, since it uses less digits than its factorization.

725274456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45368 (or 45364 counting only the distinct ones).

The product of its digits is 470400, while the sum is 42.

The square root of 725274456 is about 26930.9200734026. The cubic root of 725274456 is about 898.4642351743.

The spelling of 725274456 in words is "seven hundred twenty-five million, two hundred seventy-four thousand, four hundred fifty-six".