84318742 has 8 divisors (see below), whose sum is σ = 133918056. Its totient is φ = 39679392.

The previous prime is 84318733. The next prime is 84318781. The reversal of 84318742 is 24781348.

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, 1239948 + ... + 1240015.

It is an arithmetic number, because the mean of its divisors is an integer number (16739757).

Almost surely, 2^84318742 is an apocalyptic number.

84318742 is a deficient number, since it is larger than the sum of its proper divisors (49599314).

84318742 is a wasteful number, since it uses less digits than its factorization.

84318742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479982.

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

The square root of 84318742 is about 9182.5237271678. The cubic root of 84318742 is about 438.5051579384.

The spelling of 84318742 in words is "eighty-four million, three hundred eighteen thousand, seven hundred forty-two".