725304722 has 8 divisors (see below), whose sum is σ = 1090381500. Its totient is φ = 361844224.

The previous prime is 725304691. The next prime is 725304739. The reversal of 725304722 is 227403527.

725304722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 704955601 + 20349121 = 26551^2 + 4511^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402947 + ... + 404742.

Almost surely, 2^725304722 is an apocalyptic number.

725304722 is a deficient number, since it is larger than the sum of its proper divisors (365076778).

725304722 is a wasteful number, since it uses less digits than its factorization.

725304722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808140.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 725304722 is about 26931.4819867010. The cubic root of 725304722 is about 898.4767327606.

The spelling of 725304722 in words is "seven hundred twenty-five million, three hundred four thousand, seven hundred twenty-two".