6867730 has 8 divisors (see below), whose sum is σ = 12361932. Its totient is φ = 2747088.

The previous prime is 6867667. The next prime is 6867733. The reversal of 6867730 is 377686.

It can be written as a sum of positive squares in 2 ways, for example, as 6713281 + 154449 = 2591^2 + 393^2 .

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6867730.

It is not an unprimeable number, because it can be changed into a prime (6867733) 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, 343377 + ... + 343396.

Almost surely, 2^6867730 is an apocalyptic number.

6867730 is a deficient number, since it is larger than the sum of its proper divisors (5494202).

6867730 is a wasteful number, since it uses less digits than its factorization.

6867730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686780.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 6867730 is about 2620.6354191303. The cubic root of 6867730 is about 190.0805752431.

The spelling of 6867730 in words is "six million, eight hundred sixty-seven thousand, seven hundred thirty".