6629873 has 2 divisors, whose sum is σ = 6629874. Its totient is φ = 6629872.

The previous prime is 6629807. The next prime is 6629891. The reversal of 6629873 is 3789266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5721664 + 908209 = 2392^2 + 953^2 .

It is a cyclic number.

It is not a de Polignac number, because 6629873 - 2⁸ = 6629617 is a prime.

It is a super-2 number, since 2×6629873² = 87910431992258, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6629873.

It is not a weakly prime, because it can be changed into another prime (6629173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3314936 + 3314937.

It is an arithmetic number, because the mean of its divisors is an integer number (3314937).

Almost surely, 2^6629873 is an apocalyptic number.

It is an amenable number.

6629873 is a deficient number, since it is larger than the sum of its proper divisors (1).

6629873 is an equidigital number, since it uses as much as digits as its factorization.

6629873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 41.

The square root of 6629873 is about 2574.8539764422. The cubic root of 6629873 is about 187.8603251812.

The spelling of 6629873 in words is "six million, six hundred twenty-nine thousand, eight hundred seventy-three".