7618 has 8 divisors (see below), whose sum is σ = 12348. Its totient is φ = 3504.

The previous prime is 7607. The next prime is 7621. The reversal of 7618 is 8167.

It can be written as a sum of positive squares in 2 ways, for example, as 7569 + 49 = 87^2 + 7^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 12 and base 15.

It is a zygodrome in base 12.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121 + ... + 172.

7618 is a deficient number, since it is larger than the sum of its proper divisors (4730).

7618 is a wasteful number, since it uses less digits than its factorization.

7618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308.

The product of its digits is 336, while the sum is 22.

The square root of 7618 is about 87.2811548961. The cubic root of 7618 is about 19.6764610157.

It can be divided in two parts, 7 and 618, that added together give a 4-th power (625 = 5⁴).

The spelling of 7618 in words is "seven thousand, six hundred eighteen".