6555672 has 48 divisors (see below), whose sum is σ = 17985240. Its totient is φ = 2156928.

The previous prime is 6555671. The next prime is 6555677. The reversal of 6555672 is 2765556.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6555671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5428 + ... + 6524.

Almost surely, 2^6555672 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 6555672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8992620).

6555672 is an abundant number, since it is smaller than the sum of its proper divisors (11429568).

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

6555672 is a wasteful number, since it uses less digits than its factorization.

6555672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192 (or 1185 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 6555672 is about 2560.4046555183. The cubic root of 6555672 is about 187.1568550580.

It can be divided in two parts, 6555 and 672, that added together give a palindrome (7227).

The spelling of 6555672 in words is "six million, five hundred fifty-five thousand, six hundred seventy-two".