722726474 has 8 divisors (see below), whose sum is σ = 1147859748. Its totient is φ = 340106560.

The previous prime is 722726461. The next prime is 722726483. The reversal of 722726474 is 474627227.

It can be written as a sum of positive squares in 2 ways, for example, as 721298449 + 1428025 = 26857^2 + 1195^2 .

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, 10628297 + ... + 10628364.

Almost surely, 2^722726474 is an apocalyptic number.

722726474 is a deficient number, since it is larger than the sum of its proper divisors (425133274).

722726474 is a wasteful number, since it uses less digits than its factorization.

722726474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21256680.

The product of its digits is 263424, while the sum is 41.

The square root of 722726474 is about 26883.5725676481. The cubic root of 722726474 is about 897.4108607089.

The spelling of 722726474 in words is "seven hundred twenty-two million, seven hundred twenty-six thousand, four hundred seventy-four".