722861627 has 8 divisors (see below), whose sum is σ = 771911040. Its totient is φ = 675420480.

The previous prime is 722861617. The next prime is 722861639. The reversal of 722861627 is 726168227.

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 722861627 - 2¹⁰ = 722860603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722861617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401138 + ... + 402935.

It is an arithmetic number, because the mean of its divisors is an integer number (96488880).

Almost surely, 2^722861627 is an apocalyptic number.

722861627 is a deficient number, since it is larger than the sum of its proper divisors (49049413).

722861627 is a wasteful number, since it uses less digits than its factorization.

722861627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804133.

The product of its digits is 112896, while the sum is 41.

The square root of 722861627 is about 26886.0861227513. The cubic root of 722861627 is about 897.4667971361.

The spelling of 722861627 in words is "seven hundred twenty-two million, eight hundred sixty-one thousand, six hundred twenty-seven".