7890068 has 12 divisors (see below), whose sum is σ = 13859412. Its totient is φ = 3930240.

The previous prime is 7890067. The next prime is 7890083. The reversal of 7890068 is 8600987.

It can be written as a sum of positive squares in 2 ways, for example, as 643204 + 7246864 = 802^2 + 2692^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7890061) 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, 2453 + ... + 4668.

It is an arithmetic number, because the mean of its divisors is an integer number (1154951).

Almost surely, 2^7890068 is an apocalyptic number.

It is an amenable number.

7890068 is a deficient number, since it is larger than the sum of its proper divisors (5969344).

7890068 is a wasteful number, since it uses less digits than its factorization.

7890068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7402 (or 7400 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 7890068 is about 2808.9264853321. The cubic root of 7890068 is about 199.0796714730.

The spelling of 7890068 in words is "seven million, eight hundred ninety thousand, sixty-eight".