6673145 has 4 divisors (see below), whose sum is σ = 8007780. Its totient is φ = 5338512.

The previous prime is 6673141. The next prime is 6673159. The reversal of 6673145 is 5413766.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2042041 + 4631104 = 1429^2 + 2152^2 .

It is a cyclic number.

It is not a de Polignac number, because 6673145 - 2² = 6673141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6673141) 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, 667310 + ... + 667319.

It is an arithmetic number, because the mean of its divisors is an integer number (2001945).

Almost surely, 2^6673145 is an apocalyptic number.

It is an amenable number.

6673145 is a deficient number, since it is larger than the sum of its proper divisors (1334635).

6673145 is a wasteful number, since it uses less digits than its factorization.

6673145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334634.

The product of its digits is 15120, while the sum is 32.

The square root of 6673145 is about 2583.2431167043. The cubic root of 6673145 is about 188.2681494905.

The spelling of 6673145 in words is "six million, six hundred seventy-three thousand, one hundred forty-five".