6312730 has 8 divisors (see below), whose sum is σ = 11362932. Its totient is φ = 2525088.

The previous prime is 6312727. The next prime is 6312739. The reversal of 6312730 is 372136.

It can be written as a sum of positive squares in 2 ways, for example, as 5612161 + 700569 = 2369^2 + 837^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6312739) 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, 315627 + ... + 315646.

Almost surely, 2^6312730 is an apocalyptic number.

6312730 is a deficient number, since it is larger than the sum of its proper divisors (5050202).

6312730 is a wasteful number, since it uses less digits than its factorization.

6312730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631280.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 6312730 is about 2512.5146765740. The cubic root of 6312730 is about 184.8157893657.

Adding to 6312730 its reverse (372136), we get a palindrome (6684866).

The spelling of 6312730 in words is "six million, three hundred twelve thousand, seven hundred thirty".