71942858 has 16 divisors (see below), whose sum is σ = 117952800. Its totient is φ = 32708016.

The previous prime is 71942839. The next prime is 71942879. The reversal of 71942858 is 85824917.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon 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, 18908 + ... + 22391.

It is an arithmetic number, because the mean of its divisors is an integer number (7372050).

Almost surely, 2^71942858 is an apocalyptic number.

71942858 is a deficient number, since it is larger than the sum of its proper divisors (46009942).

71942858 is a wasteful number, since it uses less digits than its factorization.

71942858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41381.

The product of its digits is 161280, while the sum is 44.

The square root of 71942858 is about 8481.9135812622. The cubic root of 71942858 is about 415.9066797884.

The spelling of 71942858 in words is "seventy-one million, nine hundred forty-two thousand, eight hundred fifty-eight".