722500893 has 12 divisors (see below), whose sum is σ = 1069066908. Its totient is φ = 469919040.

The previous prime is 722500879. The next prime is 722500927. The reversal of 722500893 is 398005227.

It is a happy number.

722500893 is a `hidden beast` number, since 72 + 2 + 500 + 89 + 3 = 666.

722500893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 70107129 + 652393764 = 8373^2 + 25542^2 .

It is not a de Polignac number, because 722500893 - 2¹⁴ = 722484509 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722500193) 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, 978630 + ... + 979367.

It is an arithmetic number, because the mean of its divisors is an integer number (89088909).

Almost surely, 2^722500893 is an apocalyptic number.

It is an amenable number.

722500893 is a deficient number, since it is larger than the sum of its proper divisors (346566015).

722500893 is a wasteful number, since it uses less digits than its factorization.

722500893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958044 (or 1958041 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 722500893 is about 26879.3767226846. The cubic root of 722500893 is about 897.3174828717.

The spelling of 722500893 in words is "seven hundred twenty-two million, five hundred thousand, eight hundred ninety-three".