627442 has 4 divisors (see below), whose sum is σ = 941166. Its totient is φ = 313720.

The previous prime is 627433. The next prime is 627449. The reversal of 627442 is 244726.

627442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244726 = 2 ⋅122363.

It can be written as a sum of positive squares in only one way, i.e., 326041 + 301401 = 571^2 + 549^2 .

It is not an unprimeable number, because it can be changed into a prime (627449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156859 + ... + 156862.

2⁶²⁷⁴⁴² is an apocalyptic number.

627442 is a deficient number, since it is larger than the sum of its proper divisors (313724).

627442 is a wasteful number, since it uses less digits than its factorization.

627442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313723.

The product of its digits is 2688, while the sum is 25.

The square root of 627442 is about 792.1123657664. The cubic root of 627442 is about 85.6100062545.

The spelling of 627442 in words is "six hundred twenty-seven thousand, four hundred forty-two".