6730425 has 72 divisors (see below), whose sum is σ = 13615200. Its totient is φ = 3257280.

The previous prime is 6730391. The next prime is 6730463. The reversal of 6730425 is 5240376.

It is a happy number.

6730425 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6730425 - 2¹² = 6726329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

6730425 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 114046 + ... + 114104.

It is an arithmetic number, because the mean of its divisors is an integer number (189100).

Almost surely, 2^6730425 is an apocalyptic number.

6730425 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6730425 is an abundant number, since it is smaller than the sum of its proper divisors (6884775).

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

6730425 is a wasteful number, since it uses less digits than its factorization.

6730425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 6730425 is about 2594.3062656518. The cubic root of 6730425 is about 188.8052920480.

The spelling of 6730425 in words is "six million, seven hundred thirty thousand, four hundred twenty-five".