722358873 has 12 divisors (see below), whose sum is σ = 1049174308. Its totient is φ = 478910880.

The previous prime is 722358859. The next prime is 722358893. The reversal of 722358873 is 378853227.

It can be written as a sum of positive squares in 2 ways, for example, as 93954249 + 628404624 = 9693^2 + 25068^2 .

It is not a de Polignac number, because 722358873 - 2²⁶ = 655250009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722358893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220090 + ... + 223347.

Almost surely, 2^722358873 is an apocalyptic number.

It is an amenable number.

722358873 is a deficient number, since it is larger than the sum of its proper divisors (326815435).

722358873 is a wasteful number, since it uses less digits than its factorization.

722358873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443624 (or 443621 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 722358873 is about 26876.7347905210. The cubic root of 722358873 is about 897.2586846145.

The spelling of 722358873 in words is "seven hundred twenty-two million, three hundred fifty-eight thousand, eight hundred seventy-three".