84343742 has 8 divisors (see below), whose sum is σ = 144589296. Its totient is φ = 36147312.

The previous prime is 84343741. The next prime is 84343751. The reversal of 84343742 is 24734348.

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

It is a super-2 number, since 2×84343742² = 14227733629125128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84343741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3012263 + ... + 3012290.

It is an arithmetic number, because the mean of its divisors is an integer number (18073662).

Almost surely, 2^84343742 is an apocalyptic number.

84343742 is a deficient number, since it is larger than the sum of its proper divisors (60245554).

84343742 is a wasteful number, since it uses less digits than its factorization.

84343742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6024562.

The product of its digits is 64512, while the sum is 35.

The square root of 84343742 is about 9183.8849078154. The cubic root of 84343742 is about 438.5484917035.

The spelling of 84343742 in words is "eighty-four million, three hundred forty-three thousand, seven hundred forty-two".