71532042 has 8 divisors (see below), whose sum is σ = 143064096. Its totient is φ = 23844012.

The previous prime is 71532031. The next prime is 71532049. The reversal of 71532042 is 24023517.

It is a sphenic number, since it is the product of 3 distinct primes.

71532042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (71532049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5960998 + ... + 5961009.

It is an arithmetic number, because the mean of its divisors is an integer number (17883012).

Almost surely, 2^71532042 is an apocalyptic number.

71532042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

71532042 is a wasteful number, since it uses less digits than its factorization.

71532042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11922012.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 71532042 is about 8457.6617335999. The cubic root of 71532042 is about 415.1135161476.

Adding to 71532042 its reverse (24023517), we get a palindrome (95555559).

The spelling of 71532042 in words is "seventy-one million, five hundred thirty-two thousand, forty-two".