722569697 has 8 divisors (see below), whose sum is σ = 732140640. Its totient is φ = 713019520.

The previous prime is 722569693. The next prime is 722569699. The reversal of 722569697 is 796965227.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 722569697 - 2² = 722569693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722569693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72422 + ... + 81792.

It is an arithmetic number, because the mean of its divisors is an integer number (91517580).

Almost surely, 2^722569697 is an apocalyptic number.

It is an amenable number.

722569697 is a deficient number, since it is larger than the sum of its proper divisors (9570943).

722569697 is an equidigital number, since it uses as much as digits as its factorization.

722569697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10383.

The product of its digits is 2857680, while the sum is 53.

The square root of 722569697 is about 26880.6565582018. The cubic root of 722569697 is about 897.3459659148.

The spelling of 722569697 in words is "seven hundred twenty-two million, five hundred sixty-nine thousand, six hundred ninety-seven".