7100 has 18 divisors (see below), whose sum is σ = 15624. Its totient is φ = 2800.

The previous prime is 7079. The next prime is 7103. The reversal of 7100 is 17.

7100 is nontrivially palindromic in base 7.

It is a plaindrome in base 16.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65 + ... + 135.

It is an arithmetic number, because the mean of its divisors is an integer number (868).

2⁷¹⁰⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7812).

7100 is an abundant number, since it is smaller than the sum of its proper divisors (8524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7100 is a wasteful number, since it uses less digits than its factorization.

7100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 7, while the sum is 8.

The square root of 7100 is about 84.2614977318. The cubic root of 7100 is about 19.2199734277.

Adding to 7100 its reverse (17), we get a palindrome (7117).

The spelling of 7100 in words is "seven thousand, one hundred", and thus it is an iban number.