626673 has 4 divisors (see below), whose sum is σ = 835568. Its totient is φ = 417780.

The previous prime is 626663. The next prime is 626683. The reversal of 626673 is 376626.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (626663) and next prime (626683).

It is not a de Polignac number, because 626673 - 2⁶ = 626609 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 626673.

It is not an unprimeable number, because it can be changed into a prime (626623) 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, 104443 + ... + 104448.

It is an arithmetic number, because the mean of its divisors is an integer number (208892).

2⁶²⁶⁶⁷³ is an apocalyptic number.

It is an amenable number.

626673 is a deficient number, since it is larger than the sum of its proper divisors (208895).

626673 is a wasteful number, since it uses less digits than its factorization.

626673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208894.

The product of its digits is 9072, while the sum is 30.

The square root of 626673 is about 791.6268060140. The cubic root of 626673 is about 85.5750170928.

Subtracting from 626673 its reverse (376626), we obtain a cube (250047 = 63³).

The spelling of 626673 in words is "six hundred twenty-six thousand, six hundred seventy-three".