7675991 has 2 divisors, whose sum is σ = 7675992. Its totient is φ = 7675990.

The previous prime is 7675961. The next prime is 7675999. The reversal of 7675991 is 1995767.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7675991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7675999) by changing a digit.

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, 3837995 + 3837996.

It is an arithmetic number, because the mean of its divisors is an integer number (3837996).

Almost surely, 2^7675991 is an apocalyptic number.

7675991 is a deficient number, since it is larger than the sum of its proper divisors (1).

7675991 is an equidigital number, since it uses as much as digits as its factorization.

7675991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 119070, while the sum is 44.

The square root of 7675991 is about 2770.5578860583. The cubic root of 7675991 is about 197.2626299566.

It can be divided in two parts, 76 and 75991, that added together give a palindrome (76067).

The spelling of 7675991 in words is "seven million, six hundred seventy-five thousand, nine hundred ninety-one".