722893093 has 8 divisors (see below), whose sum is σ = 780507000. Its totient is φ = 665565888.

The previous prime is 722893051. The next prime is 722893139. The reversal of 722893093 is 390398227.

It is a happy number.

722893093 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 4 ways, for example, as 2883204 + 720009889 = 1698^2 + 26833^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-722893093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722893693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66418 + ... + 76531.

It is an arithmetic number, because the mean of its divisors is an integer number (97563375).

Almost surely, 2^722893093 is an apocalyptic number.

It is an amenable number.

722893093 is a deficient number, since it is larger than the sum of its proper divisors (57613907).

722893093 is a wasteful number, since it uses less digits than its factorization.

722893093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143351.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 722893093 is about 26886.6712889491. The cubic root of 722893093 is about 897.4798191214.

The spelling of 722893093 in words is "seven hundred twenty-two million, eight hundred ninety-three thousand, ninety-three".