722687627 has 8 divisors (see below), whose sum is σ = 764995440. Its totient is φ = 681539040.

The previous prime is 722687621. The next prime is 722687653. The reversal of 722687627 is 726786227.

722687627 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 a cyclic number.

It is not a de Polignac number, because 722687627 - 2⁴ = 722687611 is a prime.

It is a super-2 number, since 2×722687627² = 1044554812437782258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722687621) 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, 288524 + ... + 291017.

It is an arithmetic number, because the mean of its divisors is an integer number (95624430).

Almost surely, 2^722687627 is an apocalyptic number.

722687627 is a deficient number, since it is larger than the sum of its proper divisors (42307813).

722687627 is a wasteful number, since it uses less digits than its factorization.

722687627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579613.

The product of its digits is 790272, while the sum is 47.

The square root of 722687627 is about 26882.8500535193. The cubic root of 722687627 is about 897.3947816224.

The spelling of 722687627 in words is "seven hundred twenty-two million, six hundred eighty-seven thousand, six hundred twenty-seven".