71084238 has 8 divisors (see below), whose sum is σ = 142168488. Its totient is φ = 23694744.

The previous prime is 71084227. The next prime is 71084243. The reversal of 71084238 is 83248017.

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

71084238 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 71084199 and 71084208.

It is a congruent number.

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, 5923681 + ... + 5923692.

It is an arithmetic number, because the mean of its divisors is an integer number (17771061).

Almost surely, 2^71084238 is an apocalyptic number.

71084238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71084238 is a wasteful number, since it uses less digits than its factorization.

71084238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11847378.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 71084238 is about 8431.1468970716. The cubic root of 71084238 is about 414.2454727574.

It can be divided in two parts, 710 and 84238, that added together give a palindrome (84948).

The spelling of 71084238 in words is "seventy-one million, eighty-four thousand, two hundred thirty-eight".