7668242 has 4 divisors (see below), whose sum is σ = 11502366. Its totient is φ = 3834120.

The previous prime is 7668203. The next prime is 7668251. The reversal of 7668242 is 2428667.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6964321 + 703921 = 2639^2 + 839^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1917059 + ... + 1917062.

Almost surely, 2^7668242 is an apocalyptic number.

7668242 is a deficient number, since it is larger than the sum of its proper divisors (3834124).

7668242 is a wasteful number, since it uses less digits than its factorization.

7668242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3834123.

The product of its digits is 32256, while the sum is 35.

The square root of 7668242 is about 2769.1590781318. The cubic root of 7668242 is about 197.1962279861.

The spelling of 7668242 in words is "seven million, six hundred sixty-eight thousand, two hundred forty-two".