71371142 has 16 divisors (see below), whose sum is σ = 109792320. Its totient is φ = 34777512.

The previous prime is 71371141. The next prime is 71371169. The reversal of 71371142 is 24117317.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71371141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62993 + ... + 64115.

It is an arithmetic number, because the mean of its divisors is an integer number (6862020).

Almost surely, 2^71371142 is an apocalyptic number.

71371142 is a deficient number, since it is larger than the sum of its proper divisors (38421178).

71371142 is a wasteful number, since it uses less digits than its factorization.

71371142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907.

The product of its digits is 1176, while the sum is 26.

The square root of 71371142 is about 8448.1442932753. The cubic root of 71371142 is about 414.8020384531.

Adding to 71371142 its reverse (24117317), we get a palindrome (95488459).

The spelling of 71371142 in words is "seventy-one million, three hundred seventy-one thousand, one hundred forty-two".