722670999 has 16 divisors (see below), whose sum is σ = 980864640. Its totient is φ = 473145440.

The previous prime is 722670979. The next prime is 722671031. The reversal of 722670999 is 999076227.

722670999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 722670999 - 2⁵ = 722670967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722670929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336469 + ... + 338609.

It is an arithmetic number, because the mean of its divisors is an integer number (61304040).

Almost surely, 2^722670999 is an apocalyptic number.

722670999 is a deficient number, since it is larger than the sum of its proper divisors (258193641).

722670999 is a wasteful number, since it uses less digits than its factorization.

722670999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110.

The product of its (nonzero) digits is 857304, while the sum is 51.

The square root of 722670999 is about 26882.5407839363. The cubic root of 722670999 is about 897.3878989831.

The spelling of 722670999 in words is "seven hundred twenty-two million, six hundred seventy thousand, nine hundred ninety-nine".