71874842 has 16 divisors (see below), whose sum is σ = 117237120. Its totient is φ = 32849712.

The previous prime is 71874823. The next prime is 71874857. The reversal of 71874842 is 24847817.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 71874842.

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, 10742 + ... + 16097.

It is an arithmetic number, because the mean of its divisors is an integer number (7327320).

Almost surely, 2^71874842 is an apocalyptic number.

71874842 is a deficient number, since it is larger than the sum of its proper divisors (45362278).

71874842 is a wasteful number, since it uses less digits than its factorization.

71874842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26957.

The product of its digits is 100352, while the sum is 41.

The square root of 71874842 is about 8477.9031605698. The cubic root of 71874842 is about 415.7755700487.

The spelling of 71874842 in words is "seventy-one million, eight hundred seventy-four thousand, eight hundred forty-two".