722492474 has 8 divisors (see below), whose sum is σ = 1182260448. Its totient is φ = 328405660.

The previous prime is 722492473. The next prime is 722492483. The reversal of 722492474 is 474294227.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (722492473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16420262 + ... + 16420305.

It is an arithmetic number, because the mean of its divisors is an integer number (147782556).

Almost surely, 2^722492474 is an apocalyptic number.

722492474 is a deficient number, since it is larger than the sum of its proper divisors (459767974).

722492474 is a wasteful number, since it uses less digits than its factorization.

722492474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32840580.

The product of its digits is 225792, while the sum is 41.

The square root of 722492474 is about 26879.2201151745. The cubic root of 722492474 is about 897.3139975033.

The spelling of 722492474 in words is "seven hundred twenty-two million, four hundred ninety-two thousand, four hundred seventy-four".