722458734 has 16 divisors (see below), whose sum is σ = 1448354640. Its totient is φ = 240246720.

The previous prime is 722458733. The next prime is 722458739. The reversal of 722458734 is 437854227.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722458733) 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 7 ways as a sum of consecutive naturals, for example, 140479 + ... + 145530.

It is an arithmetic number, because the mean of its divisors is an integer number (90522165).

Almost surely, 2^722458734 is an apocalyptic number.

722458734 is an abundant number, since it is smaller than the sum of its proper divisors (725895906).

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

722458734 is a wasteful number, since it uses less digits than its factorization.

722458734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286435.

The product of its digits is 376320, while the sum is 42.

The square root of 722458734 is about 26878.5924854707. The cubic root of 722458734 is about 897.3000292630.

The spelling of 722458734 in words is "seven hundred twenty-two million, four hundred fifty-eight thousand, seven hundred thirty-four".