722789903 has 8 divisors (see below), whose sum is σ = 800267520. Its totient is φ = 647273880.

The previous prime is 722789897. The next prime is 722789917. The reversal of 722789903 is 309987227.

722789903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 722789903 - 2¹² = 722785807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722789953) 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, 489623 + ... + 491096.

It is an arithmetic number, because the mean of its divisors is an integer number (100033440).

Almost surely, 2^722789903 is an apocalyptic number.

722789903 is a deficient number, since it is larger than the sum of its proper divisors (77477617).

722789903 is a wasteful number, since it uses less digits than its factorization.

722789903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980797.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 722789903 is about 26884.7522398850. The cubic root of 722789903 is about 897.4371132449.

The spelling of 722789903 in words is "seven hundred twenty-two million, seven hundred eighty-nine thousand, nine hundred three".