627920 has 40 divisors (see below), whose sum is σ = 1499904. Its totient is φ = 244352.

The previous prime is 627919. The next prime is 627943. The reversal of 627920 is 29726.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 627920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3677 + ... + 3843.

2⁶²⁷⁹²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 627920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749952).

627920 is an abundant number, since it is smaller than the sum of its proper divisors (871984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

627920 is a wasteful number, since it uses less digits than its factorization.

627920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 627920 is about 792.4140331922. The cubic root of 627920 is about 85.6317406383.

The spelling of 627920 in words is "six hundred twenty-seven thousand, nine hundred twenty".