6673645 has 16 divisors (see below), whose sum is σ = 8864640. Its totient is φ = 4782400.

The previous prime is 6673637. The next prime is 6673687. The reversal of 6673645 is 5463766.

It is not a de Polignac number, because 6673645 - 2³ = 6673637 is a prime.

It is a super-3 number, since 3×6673645³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3051 + ... + 4759.

It is an arithmetic number, because the mean of its divisors is an integer number (554040).

Almost surely, 2^6673645 is an apocalyptic number.

It is an amenable number.

6673645 is a deficient number, since it is larger than the sum of its proper divisors (2190995).

6673645 is a wasteful number, since it uses less digits than its factorization.

6673645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796.

The product of its digits is 90720, while the sum is 37.

The square root of 6673645 is about 2583.3398924648. The cubic root of 6673645 is about 188.2728515075.

The spelling of 6673645 in words is "six million, six hundred seventy-three thousand, six hundred forty-five".