7991114 has 4 divisors (see below), whose sum is σ = 11986674. Its totient is φ = 3995556.

The previous prime is 7991107. The next prime is 7991119. The reversal of 7991114 is 4111997.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4111997 = 29 ⋅141793.

It can be written as a sum of positive squares in only one way, i.e., 6416089 + 1575025 = 2533^2 + 1255^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7991119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1997777 + ... + 1997780.

Almost surely, 2^7991114 is an apocalyptic number.

7991114 is a deficient number, since it is larger than the sum of its proper divisors (3995560).

7991114 is a wasteful number, since it uses less digits than its factorization.

7991114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3995559.

The product of its digits is 2268, while the sum is 32.

The square root of 7991114 is about 2826.8558505874. The cubic root of 7991114 is about 199.9259225661.

The spelling of 7991114 in words is "seven million, nine hundred ninety-one thousand, one hundred fourteen".