7689994 has 8 divisors (see below), whose sum is σ = 12422340. Its totient is φ = 3549216.

The previous prime is 7689973. The next prime is 7690013. The reversal of 7689994 is 4999867.

It can be written as a sum of positive squares in 2 ways, for example, as 5832225 + 1857769 = 2415^2 + 1363^2 .

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, 147859 + ... + 147910.

Almost surely, 2^7689994 is an apocalyptic number.

7689994 is a deficient number, since it is larger than the sum of its proper divisors (4732346).

7689994 is a wasteful number, since it uses less digits than its factorization.

7689994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295784.

The product of its digits is 979776, while the sum is 52.

The square root of 7689994 is about 2773.0838429445. The cubic root of 7689994 is about 197.3825098353.

The spelling of 7689994 in words is "seven million, six hundred eighty-nine thousand, nine hundred ninety-four".