6679144 has 8 divisors (see below), whose sum is σ = 12523410. Its totient is φ = 3339568.

The previous prime is 6679139. The next prime is 6679157. The reversal of 6679144 is 4419766.

It can be written as a sum of positive squares in only one way, i.e., 5116644 + 1562500 = 2262^2 + 1250^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×6679144² = 89221929145472, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417439 + ... + 417454.

Almost surely, 2^6679144 is an apocalyptic number.

It is an amenable number.

6679144 is a deficient number, since it is larger than the sum of its proper divisors (5844266).

6679144 is a wasteful number, since it uses less digits than its factorization.

6679144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834899 (or 834895 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 6679144 is about 2584.4039931868. The cubic root of 6679144 is about 188.3245488023.

The spelling of 6679144 in words is "six million, six hundred seventy-nine thousand, one hundred forty-four".