6625240 has 32 divisors (see below), whose sum is σ = 15785280. Its totient is φ = 2493952.

The previous prime is 6625237. The next prime is 6625247. The reversal of 6625240 is 425266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6625247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4192 + ... + 5551.

It is an arithmetic number, because the mean of its divisors is an integer number (493290).

Almost surely, 2^6625240 is an apocalyptic number.

It is an amenable number.

6625240 is an abundant number, since it is smaller than the sum of its proper divisors (9160040).

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

6625240 is a wasteful number, since it uses less digits than its factorization.

6625240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9771 (or 9767 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 6625240 is about 2573.9541565459. The cubic root of 6625240 is about 187.8165556298.

The spelling of 6625240 in words is "six million, six hundred twenty-five thousand, two hundred forty".