627642 has 32 divisors (see below), whose sum is σ = 1425600. Its totient is φ = 204624.

The previous prime is 627637. The next prime is 627643. The reversal of 627642 is 246726.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 627642.

It is not an unprimeable number, because it can be changed into a prime (627643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3088 + ... + 3284.

It is an arithmetic number, because the mean of its divisors is an integer number (44550).

2⁶²⁷⁶⁴² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 627642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (712800).

627642 is an abundant number, since it is smaller than the sum of its proper divisors (797958).

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

627642 is a wasteful number, since it uses less digits than its factorization.

627642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 261 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 627642 is about 792.2386004229. The cubic root of 627642 is about 85.6191014815.

The spelling of 627642 in words is "six hundred twenty-seven thousand, six hundred forty-two".