7118791 has 2 divisors, whose sum is σ = 7118792. Its totient is φ = 7118790.

The previous prime is 7118737. The next prime is 7118803. The reversal of 7118791 is 1978117.

It is a strong prime.

It is an emirp because it is prime and its reverse (1978117) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7118791 - 2⁷ = 7118663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7118701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3559395 + 3559396.

It is an arithmetic number, because the mean of its divisors is an integer number (3559396).

Almost surely, 2^7118791 is an apocalyptic number.

7118791 is a deficient number, since it is larger than the sum of its proper divisors (1).

7118791 is an equidigital number, since it uses as much as digits as its factorization.

7118791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 34.

The square root of 7118791 is about 2668.1062572544. The cubic root of 7118791 is about 192.3691447791.

It can be divided in two parts, 71 and 18791, that multiplied together give a triangular number (1334161 = T₁₆₃₃).

The spelling of 7118791 in words is "seven million, one hundred eighteen thousand, seven hundred ninety-one".