722627 has 8 divisors (see below), whose sum is σ = 772560. Its totient is φ = 673920.

The previous prime is 722611. The next prime is 722633. The reversal of 722627 is 726227.

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 722627 - 2⁴ = 722611 is a prime.

It is a super-2 number, since 2×722627² = 1044379562258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 722596 and 722605.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 722627.

It is not an unprimeable number, because it can be changed into a prime (722027) 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, 1127 + ... + 1647.

It is an arithmetic number, because the mean of its divisors is an integer number (96570).

2⁷²²⁶²⁷ is an apocalyptic number.

722627 is a deficient number, since it is larger than the sum of its proper divisors (49933).

722627 is a wasteful number, since it uses less digits than its factorization.

722627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613.

The product of its digits is 2352, while the sum is 26.

The square root of 722627 is about 850.0747025997. The cubic root of 722627 is about 89.7369686467.

Subtracting 722627 from its reverse (726227), we obtain a square (3600 = 60²).

The spelling of 722627 in words is "seven hundred twenty-two thousand, six hundred twenty-seven".