6780625 has 20 divisors (see below), whose sum is σ = 8934640. Its totient is φ = 5130000.

The previous prime is 6780623. The next prime is 6780629. The reversal of 6780625 is 5260876.

It is not a de Polignac number, because 6780625 - 2¹ = 6780623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6780623) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11590 + ... + 12160.

It is an arithmetic number, because the mean of its divisors is an integer number (446732).

Almost surely, 2^6780625 is an apocalyptic number.

It is an amenable number.

6780625 is a deficient number, since it is larger than the sum of its proper divisors (2154015).

6780625 is an equidigital number, since it uses as much as digits as its factorization.

6780625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 6780625 is about 2603.9633253946. The cubic root of 6780625 is about 189.2735417421.

The spelling of 6780625 in words is "six million, seven hundred eighty thousand, six hundred twenty-five".