71347982 has 4 divisors (see below), whose sum is σ = 107021976. Its totient is φ = 35673990.

The previous prime is 71347973. The next prime is 71347993. The reversal of 71347982 is 28974317.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 17836994 + ... + 17836997.

It is an arithmetic number, because the mean of its divisors is an integer number (26755494).

Almost surely, 2^71347982 is an apocalyptic number.

71347982 is a deficient number, since it is larger than the sum of its proper divisors (35673994).

71347982 is a wasteful number, since it uses less digits than its factorization.

71347982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35673993.

The product of its digits is 84672, while the sum is 41.

The square root of 71347982 is about 8446.7734668334. The cubic root of 71347982 is about 414.7571657203.

The spelling of 71347982 in words is "seventy-one million, three hundred forty-seven thousand, nine hundred eighty-two".