71238 has 16 divisors (see below), whose sum is σ = 147456. Its totient is φ = 22920.

The previous prime is 71237. The next prime is 71249. The reversal of 71238 is 83217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6 + ... + 377.

It is an arithmetic number, because the mean of its divisors is an integer number (9216).

2⁷¹²³⁸ is an apocalyptic number.

71238 is an abundant number, since it is smaller than the sum of its proper divisors (76218).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73728).

71238 is a wasteful number, since it uses less digits than its factorization.

71238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419.

The product of its digits is 336, while the sum is 21.

The square root of 71238 is about 266.9044772948. The cubic root of 71238 is about 41.4543941837.

Subtracting from 71238 its sum of digits (21), we obtain a palindrome (71217).

The spelling of 71238 in words is "seventy-one thousand, two hundred thirty-eight".