6625380 has 48 divisors (see below), whose sum is σ = 19361664. Its totient is φ = 1689600.

The previous prime is 6625379. The next prime is 6625387. The reversal of 6625380 is 835266.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6625387) 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, 1021 + ... + 3780.

It is an arithmetic number, because the mean of its divisors is an integer number (403368).

Almost surely, 2^6625380 is an apocalyptic number.

6625380 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6625380 is an abundant number, since it is smaller than the sum of its proper divisors (12736284).

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

6625380 is a wasteful number, since it uses less digits than its factorization.

6625380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4836 (or 4834 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 6625380 is about 2573.9813519138. The cubic root of 6625380 is about 187.8178785571.

The spelling of 6625380 in words is "six million, six hundred twenty-five thousand, three hundred eighty".