6730730 has 8 divisors (see below), whose sum is σ = 12115332. Its totient is φ = 2692288.

The previous prime is 6730727. The next prime is 6730771. The reversal of 6730730 is 370376.

It can be written as a sum of positive squares in 2 ways, for example, as 6661561 + 69169 = 2581^2 + 263^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 6730730.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336527 + ... + 336546.

Almost surely, 2^6730730 is an apocalyptic number.

6730730 is a deficient number, since it is larger than the sum of its proper divisors (5384602).

6730730 is a wasteful number, since it uses less digits than its factorization.

6730730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673080.

The product of its (nonzero) digits is 2646, while the sum is 26.

The square root of 6730730 is about 2594.3650475598. The cubic root of 6730730 is about 188.8081440098.

Adding to 6730730 its product of nonzero digits (2646), we get a palindrome (6733376).

The spelling of 6730730 in words is "six million, seven hundred thirty thousand, seven hundred thirty".