6667345 has 8 divisors (see below), whose sum is σ = 8015040. Its totient is φ = 5324400.

The previous prime is 6667343. The next prime is 6667369. The reversal of 6667345 is 5437666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6667345 - 2¹ = 6667343 is a prime.

It is a d-powerful number, because it can be written as 6³ + 6⁷ + 6⁷ + 7⁸ + 3⁷ + 4⁹ + 5⁷ .

It is not an unprimeable number, because it can be changed into a prime (6667343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3870 + ... + 5320.

It is an arithmetic number, because the mean of its divisors is an integer number (1001880).

Almost surely, 2^6667345 is an apocalyptic number.

It is an amenable number.

6667345 is a deficient number, since it is larger than the sum of its proper divisors (1347695).

6667345 is a wasteful number, since it uses less digits than its factorization.

6667345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375.

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

The square root of 6667345 is about 2582.1202528155. The cubic root of 6667345 is about 188.2135889208.

The spelling of 6667345 in words is "six million, six hundred sixty-seven thousand, three hundred forty-five".