6694290 has 24 divisors (see below), whose sum is σ = 17405388. Its totient is φ = 1785120.

The previous prime is 6694267. The next prime is 6694307. The reversal of 6694290 is 924966.

6694290 = T₂₄₅ + T₂₄₆ + ... + T₃₇₉.

It can be written as a sum of positive squares in 2 ways, for example, as 6640929 + 53361 = 2577^2 + 231^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37101 + ... + 37280.

Almost surely, 2^6694290 is an apocalyptic number.

6694290 is an abundant number, since it is smaller than the sum of its proper divisors (10711098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6694290 is a wasteful number, since it uses less digits than its factorization.

6694290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74394 (or 74391 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 6694290 is about 2587.3326032808. The cubic root of 6694290 is about 188.4667930914.

The spelling of 6694290 in words is "six million, six hundred ninety-four thousand, two hundred ninety".