71371542 has 32 divisors (see below), whose sum is σ = 164882304. Its totient is φ = 20355200.

The previous prime is 71371541. The next prime is 71371561. The reversal of 71371542 is 24517317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71371541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30684 + ... + 32927.

It is an arithmetic number, because the mean of its divisors is an integer number (5152572).

Almost surely, 2^71371542 is an apocalyptic number.

71371542 is an abundant number, since it is smaller than the sum of its proper divisors (93510762).

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

71371542 is a wasteful number, since it uses less digits than its factorization.

71371542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63644.

The product of its digits is 5880, while the sum is 30.

The square root of 71371542 is about 8448.1679670802. The cubic root of 71371542 is about 414.8028133718.

Adding to 71371542 its reverse (24517317), we get a palindrome (95888859).

The spelling of 71371542 in words is "seventy-one million, three hundred seventy-one thousand, five hundred forty-two".