6730390 has 8 divisors (see below), whose sum is σ = 12114720. Its totient is φ = 2692152.

The previous prime is 6730369. The next prime is 6730391. The reversal of 6730390 is 930376.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6730391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336510 + ... + 336529.

It is an arithmetic number, because the mean of its divisors is an integer number (1514340).

Almost surely, 2^6730390 is an apocalyptic number.

6730390 is a deficient number, since it is larger than the sum of its proper divisors (5384330).

6730390 is a wasteful number, since it uses less digits than its factorization.

6730390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673046.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 6730390 is about 2594.2995201017. The cubic root of 6730390 is about 188.8049647682.

The spelling of 6730390 in words is "six million, seven hundred thirty thousand, three hundred ninety".