7774 has 12 divisors (see below), whose sum is σ = 13176. Its totient is φ = 3432.

The previous prime is 7759. The next prime is 7789. The reversal of 7774 is 4777.

It is an interprime number because it is at equal distance from previous prime (7759) and next prime (7789).

It is an Ulam number.

It is a nialpdrome in base 6 and base 10.

It is a congruent number.

It is an unprimeable number.

7774 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 327 + ... + 349.

It is an arithmetic number, because the mean of its divisors is an integer number (1098).

7774 is a deficient number, since it is larger than the sum of its proper divisors (5402).

7774 is a wasteful number, since it uses less digits than its factorization.

7774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51 (or 38 counting only the distinct ones).

The product of its digits is 1372, while the sum is 25.

The square root of 7774 is about 88.1702897806. The cubic root of 7774 is about 19.8098648255.

It can be divided in two parts, 77 and 74, that added together give a palindrome (151).

The spelling of 7774 in words is "seven thousand, seven hundred seventy-four", and thus it is an iban number.