71396 has 12 divisors (see below), whose sum is σ = 134652. Its totient is φ = 32928.

The previous prime is 71389. The next prime is 71399. The reversal of 71396 is 69317.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45796 + 25600 = 214^2 + 160^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 71396.

It is not an unprimeable number, because it can be changed into a prime (71399) by changing a digit.

71396 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 3 ways as a sum of consecutive naturals, for example, 635 + ... + 738.

It is an arithmetic number, because the mean of its divisors is an integer number (11221).

2⁷¹³⁹⁶ is an apocalyptic number.

It is an amenable number.

71396 is a deficient number, since it is larger than the sum of its proper divisors (63256).

71396 is a wasteful number, since it uses less digits than its factorization.

71396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390 (or 1388 counting only the distinct ones).

The product of its digits is 1134, while the sum is 26.

The square root of 71396 is about 267.2002994010. The cubic root of 71396 is about 41.4850190278.

The spelling of 71396 in words is "seventy-one thousand, three hundred ninety-six".