7442194 has 4 divisors (see below), whose sum is σ = 11163294. Its totient is φ = 3721096.

The previous prime is 7442189. The next prime is 7442203. The reversal of 7442194 is 4912447.

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., 4255969 + 3186225 = 2063^2 + 1785^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1860547 + ... + 1860550.

Almost surely, 2^7442194 is an apocalyptic number.

7442194 is a deficient number, since it is larger than the sum of its proper divisors (3721100).

7442194 is a wasteful number, since it uses less digits than its factorization.

7442194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3721099.

The product of its digits is 8064, while the sum is 31.

The square root of 7442194 is about 2728.0384894645. The cubic root of 7442194 is about 195.2391892841.

The spelling of 7442194 in words is "seven million, four hundred forty-two thousand, one hundred ninety-four".