6625920 has 256 divisors, whose sum is σ = 26438400. Its totient is φ = 1376256.

The previous prime is 6625907. The next prime is 6625921. The reversal of 6625920 is 295266.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6625921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228466 + ... + 228494.

It is an arithmetic number, because the mean of its divisors is an integer number (103275).

Almost surely, 2^6625920 is an apocalyptic number.

6625920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6625920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13219200).

6625920 is an abundant number, since it is smaller than the sum of its proper divisors (19812480).

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

6625920 is a wasteful number, since it uses less digits than its factorization.

6625920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 6625920 is about 2574.0862456414. The cubic root of 6625920 is about 187.8229811021.

The spelling of 6625920 in words is "six million, six hundred twenty-five thousand, nine hundred twenty".