6812290 has 8 divisors (see below), whose sum is σ = 12262140. Its totient is φ = 2724912.

The previous prime is 6812233. The next prime is 6812339. The reversal of 6812290 is 922186.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6765201 + 47089 = 2601^2 + 217^2 .

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

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, 340605 + ... + 340624.

Almost surely, 2^6812290 is an apocalyptic number.

6812290 is a deficient number, since it is larger than the sum of its proper divisors (5449850).

6812290 is a wasteful number, since it uses less digits than its factorization.

6812290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681236.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 6812290 is about 2610.0363982136. The cubic root of 6812290 is about 189.5677152801.

The spelling of 6812290 in words is "six million, eight hundred twelve thousand, two hundred ninety".