71869238 has 8 divisors (see below), whose sum is σ = 123204432. Its totient is φ = 30801096.

The previous prime is 71869199. The next prime is 71869247. The reversal of 71869238 is 83296817.

It is a sphenic number, since it is the product of 3 distinct 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 in 3 ways as a sum of consecutive naturals, for example, 2566745 + ... + 2566772.

It is an arithmetic number, because the mean of its divisors is an integer number (15400554).

Almost surely, 2^71869238 is an apocalyptic number.

71869238 is a deficient number, since it is larger than the sum of its proper divisors (51335194).

71869238 is a wasteful number, since it uses less digits than its factorization.

71869238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5133526.

The product of its digits is 145152, while the sum is 44.

The square root of 71869238 is about 8477.5726478751. The cubic root of 71869238 is about 415.7647639178.

The spelling of 71869238 in words is "seventy-one million, eight hundred sixty-nine thousand, two hundred thirty-eight".