71342812 has 24 divisors (see below), whose sum is σ = 132554016. Its totient is φ = 33481728.

The previous prime is 71342807. The next prime is 71342833. The reversal of 71342812 is 21824317.

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 in 7 ways as a sum of consecutive naturals, for example, 28233 + ... + 30655.

It is an arithmetic number, because the mean of its divisors is an integer number (5523084).

Almost surely, 2^71342812 is an apocalyptic number.

It is an amenable number.

71342812 is a deficient number, since it is larger than the sum of its proper divisors (61211204).

71342812 is a wasteful number, since it uses less digits than its factorization.

71342812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877 (or 2875 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 71342812 is about 8446.4674272740. The cubic root of 71342812 is about 414.7471474676.

The spelling of 71342812 in words is "seventy-one million, three hundred forty-two thousand, eight hundred twelve".