71713142 has 4 divisors (see below), whose sum is σ = 107569716. Its totient is φ = 35856570.

The previous prime is 71713139. The next prime is 71713153. The reversal of 71713142 is 24131717.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17928284 + ... + 17928287.

It is an arithmetic number, because the mean of its divisors is an integer number (26892429).

Almost surely, 2^71713142 is an apocalyptic number.

71713142 is a deficient number, since it is larger than the sum of its proper divisors (35856574).

71713142 is a wasteful number, since it uses less digits than its factorization.

71713142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35856573.

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

The square root of 71713142 is about 8468.3612346191. The cubic root of 71713142 is about 415.4635397269.

Adding to 71713142 its reverse (24131717), we get a palindrome (95844859).

The spelling of 71713142 in words is "seventy-one million, seven hundred thirteen thousand, one hundred forty-two".