71884342 has 4 divisors (see below), whose sum is σ = 107826516. Its totient is φ = 35942170.

The previous prime is 71884339. The next prime is 71884343. The reversal of 71884342 is 24348817.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71884343) by changing a digit.

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 as a sum of consecutive naturals, namely, 17971084 + ... + 17971087.

It is an arithmetic number, because the mean of its divisors is an integer number (26956629).

Almost surely, 2^71884342 is an apocalyptic number.

71884342 is a deficient number, since it is larger than the sum of its proper divisors (35942174).

71884342 is a wasteful number, since it uses less digits than its factorization.

71884342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35942173.

The product of its digits is 43008, while the sum is 37.

The square root of 71884342 is about 8478.4634221066. The cubic root of 71884342 is about 415.7938875100.

The spelling of 71884342 in words is "seventy-one million, eight hundred eighty-four thousand, three hundred forty-two".