71104 has 28 divisors (see below), whose sum is σ = 155448. Its totient is φ = 32000.

The previous prime is 71089. The next prime is 71119. The reversal of 71104 is 40117.

It is an interprime number because it is at equal distance from previous prime (71089) and next prime (71119).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654 + ... + 754.

2⁷¹¹⁰⁴ 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 71104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77724).

71104 is an abundant number, since it is smaller than the sum of its proper divisors (84344).

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

71104 is a wasteful number, since it uses less digits than its factorization.

71104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 71104 is about 266.6533330000. The cubic root of 71104 is about 41.4283857078.

Adding to 71104 its sum of digits (13), we get a palindrome (71117).

It can be divided in two parts, 7 and 1104, that added together give a palindrome (1111).

The spelling of 71104 in words is "seventy-one thousand, one hundred four", and thus it is an iban number.