627668 has 12 divisors (see below), whose sum is σ = 1128372. Its totient is φ = 305280.

The previous prime is 627667. The next prime is 627673. The reversal of 627668 is 866726.

627668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 595984 + 31684 = 772^2 + 178^2 .

It is a plaindrome in base 9.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (627661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1973 + ... + 2268.

It is an arithmetic number, because the mean of its divisors is an integer number (94031).

2⁶²⁷⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

627668 is a deficient number, since it is larger than the sum of its proper divisors (500704).

627668 is a wasteful number, since it uses less digits than its factorization.

627668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4282 (or 4280 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 627668 is about 792.2550094509. The cubic root of 627668 is about 85.6202837191.

The spelling of 627668 in words is "six hundred twenty-seven thousand, six hundred sixty-eight".