71935982 has 4 divisors (see below), whose sum is σ = 107903976. Its totient is φ = 35967990.

The previous prime is 71935951. The next prime is 71936021. The reversal of 71935982 is 28953917.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28953917 = 73 ⋅396629.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17983994 + ... + 17983997.

It is an arithmetic number, because the mean of its divisors is an integer number (26975994).

Almost surely, 2^71935982 is an apocalyptic number.

71935982 is a deficient number, since it is larger than the sum of its proper divisors (35967994).

71935982 is a wasteful number, since it uses less digits than its factorization.

71935982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35967993.

The product of its digits is 136080, while the sum is 44.

The square root of 71935982 is about 8481.5082385151. The cubic root of 71935982 is about 415.8934291544.

The spelling of 71935982 in words is "seventy-one million, nine hundred thirty-five thousand, nine hundred eighty-two".