71233542 has 24 divisors (see below), whose sum is σ = 157930344. Its totient is φ = 23192064.

The previous prime is 71233511. The next prime is 71233577. The reversal of 71233542 is 24533217.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45243 + ... + 46790.

It is an arithmetic number, because the mean of its divisors is an integer number (6580431).

Almost surely, 2^71233542 is an apocalyptic number.

71233542 is an abundant number, since it is smaller than the sum of its proper divisors (86696802).

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

71233542 is a wasteful number, since it uses less digits than its factorization.

71233542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92084 (or 92081 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 71233542 is about 8439.9965639803. The cubic root of 71233542 is about 414.5352944133.

Adding to 71233542 its reverse (24533217), we get a palindrome (95766759).

The spelling of 71233542 in words is "seventy-one million, two hundred thirty-three thousand, five hundred forty-two".