6625872 has 120 divisors (see below), whose sum is σ = 20891520. Its totient is φ = 1943040.

The previous prime is 6625859. The next prime is 6625873. The reversal of 6625872 is 2785266.

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 (6625873) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74404 + ... + 74492.

It is an arithmetic number, because the mean of its divisors is an integer number (174096).

Almost surely, 2^6625872 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 6625872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10445760).

6625872 is an abundant number, since it is smaller than the sum of its proper divisors (14265648).

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

6625872 is a wasteful number, since it uses less digits than its factorization.

6625872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 152 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 6625872 is about 2574.0769219275. The cubic root of 6625872 is about 187.8225275538.

Subtracting from 6625872 its reverse (2785266), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 6625872 in words is "six million, six hundred twenty-five thousand, eight hundred seventy-two".