6679554 has 32 divisors (see below), whose sum is σ = 15344640. Its totient is φ = 1898832.

The previous prime is 6679553. The next prime is 6679571. The reversal of 6679554 is 4559766.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6679553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14857 + ... + 15299.

It is an arithmetic number, because the mean of its divisors is an integer number (479520).

Almost surely, 2^6679554 is an apocalyptic number.

6679554 is an abundant number, since it is smaller than the sum of its proper divisors (8665086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6679554 is a wasteful number, since it uses less digits than its factorization.

6679554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814.

The product of its digits is 226800, while the sum is 42.

The square root of 6679554 is about 2584.4833139334. The cubic root of 6679554 is about 188.3284021646.

The spelling of 6679554 in words is "six million, six hundred seventy-nine thousand, five hundred fifty-four".