71716142 has 4 divisors (see below), whose sum is σ = 107574216. Its totient is φ = 35858070.

The previous prime is 71716133. The next prime is 71716147. The reversal of 71716142 is 24161717.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71716147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17929034 + ... + 17929037.

It is an arithmetic number, because the mean of its divisors is an integer number (26893554).

Almost surely, 2^71716142 is an apocalyptic number.

71716142 is a deficient number, since it is larger than the sum of its proper divisors (35858074).

71716142 is a wasteful number, since it uses less digits than its factorization.

71716142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35858073.

The product of its digits is 2352, while the sum is 29.

The square root of 71716142 is about 8468.5383626692. The cubic root of 71716142 is about 415.4693330548.

Adding to 71716142 its reverse (24161717), we get a palindrome (95877859).

The spelling of 71716142 in words is "seventy-one million, seven hundred sixteen thousand, one hundred forty-two".