71939482 has 8 divisors (see below), whose sum is σ = 108141696. Its totient is φ = 35892252.

The previous prime is 71939479. The next prime is 71939513. The reversal of 71939482 is 28493917.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37578 + ... + 39445.

It is an arithmetic number, because the mean of its divisors is an integer number (13517712).

Almost surely, 2^71939482 is an apocalyptic number.

71939482 is a deficient number, since it is larger than the sum of its proper divisors (36202214).

71939482 is a wasteful number, since it uses less digits than its factorization.

71939482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77492.

The product of its digits is 108864, while the sum is 43.

The square root of 71939482 is about 8481.7145672323. The cubic root of 71939482 is about 415.9001740562.

The spelling of 71939482 in words is "seventy-one million, nine hundred thirty-nine thousand, four hundred eighty-two".