6678672 has 160 divisors (see below), whose sum is σ = 23331840. Its totient is φ = 1589760.

The previous prime is 6678667. The next prime is 6678691. The reversal of 6678672 is 2768766.

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47979 + ... + 48117.

It is an arithmetic number, because the mean of its divisors is an integer number (145824).

Almost surely, 2^6678672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6678672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11665920).

6678672 is an abundant number, since it is smaller than the sum of its proper divisors (16653168).

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

6678672 is a wasteful number, since it uses less digits than its factorization.

6678672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 175 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 6678672 is about 2584.3126745810. The cubic root of 6678672 is about 188.3201125412.

It can be divided in two parts, 667 and 8672, that added together give a palindrome (9339).

The spelling of 6678672 in words is "six million, six hundred seventy-eight thousand, six hundred seventy-two".