722473259 has 32 divisors (see below), whose sum is σ = 837527040. Its totient is φ = 619315200.

The previous prime is 722473181. The next prime is 722473273. The reversal of 722473259 is 952374227.

It is a cyclic number.

It is not a de Polignac number, because 722473259 - 2¹⁶ = 722407723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722473289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 626027 + ... + 627179.

It is an arithmetic number, because the mean of its divisors is an integer number (26172720).

Almost surely, 2^722473259 is an apocalyptic number.

722473259 is a deficient number, since it is larger than the sum of its proper divisors (115053781).

722473259 is a wasteful number, since it uses less digits than its factorization.

722473259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271.

The product of its digits is 211680, while the sum is 41.

The square root of 722473259 is about 26878.8626805525. The cubic root of 722473259 is about 897.3060426148.

The spelling of 722473259 in words is "seven hundred twenty-two million, four hundred seventy-three thousand, two hundred fifty-nine".