84084742 has 8 divisors (see below), whose sum is σ = 144145296. Its totient is φ = 36036312.

The previous prime is 84084733. The next prime is 84084761. The reversal of 84084742 is 24748048.

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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3003013 + ... + 3003040.

It is an arithmetic number, because the mean of its divisors is an integer number (18018162).

Almost surely, 2^84084742 is an apocalyptic number.

84084742 is a deficient number, since it is larger than the sum of its proper divisors (60060554).

84084742 is a wasteful number, since it uses less digits than its factorization.

84084742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6006062.

The product of its (nonzero) digits is 57344, while the sum is 37.

The square root of 84084742 is about 9169.7732796400. The cubic root of 84084742 is about 438.0991379881.

It can be divided in two parts, 840847 and 42, that added together give a square (840889 = 917²).

The spelling of 84084742 in words is "eighty-four million, eighty-four thousand, seven hundred forty-two".