6747890 has 8 divisors (see below), whose sum is σ = 12146220. Its totient is φ = 2699152.

The previous prime is 6747887. The next prime is 6747899. The reversal of 6747890 is 987476.

It can be written as a sum of positive squares in 2 ways, for example, as 6744409 + 3481 = 2597^2 + 59^2 .

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

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (6747899) 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, 337385 + ... + 337404.

Almost surely, 2^6747890 is an apocalyptic number.

6747890 is a deficient number, since it is larger than the sum of its proper divisors (5398330).

6747890 is a wasteful number, since it uses less digits than its factorization.

6747890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674796.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 6747890 is about 2597.6701099254. The cubic root of 6747890 is about 188.9684633326.

The spelling of 6747890 in words is "six million, seven hundred forty-seven thousand, eight hundred ninety".