722910769 has 27 divisors (see below), whose sum is σ = 884384697. Its totient is φ = 589147944.

The previous prime is 722910763. The next prime is 722910821. The reversal of 722910769 is 967019227.

The square root of 722910769 is 26887.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 722910769 - 2¹¹ = 722908721 is a prime.

It is a super-3 number, since 3×722910769³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (722910763) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4328724 + ... + 4328890.

Almost surely, 2^722910769 is an apocalyptic number.

722910769 is the 26887-th square number.

722910769 is the 13444-th centered octagonal number.

It is an amenable number.

722910769 is a deficient number, since it is larger than the sum of its proper divisors (161473928).

722910769 is an equidigital number, since it uses as much as digits as its factorization.

722910769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 43.

The cubic root of 722910769 is about 897.4871340453.

The spelling of 722910769 in words is "seven hundred twenty-two million, nine hundred ten thousand, seven hundred sixty-nine".