84373642 has 24 divisors (see below), whose sum is σ = 134704836. Its totient is φ = 39628224.

The previous prime is 84373621. The next prime is 84373649. The reversal of 84373642 is 24637348.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 80084601 + 4289041 = 8949^2 + 2071^2 .

It is a super-2 number, since 2×84373642² = 14237822928688328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84373649) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 98488 + ... + 99340.

Almost surely, 2^84373642 is an apocalyptic number.

84373642 is a deficient number, since it is larger than the sum of its proper divisors (50331194).

84373642 is a wasteful number, since it uses less digits than its factorization.

84373642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030 (or 1011 counting only the distinct ones).

The product of its digits is 96768, while the sum is 37.

The square root of 84373642 is about 9185.5126149824. The cubic root of 84373642 is about 438.6003076431.

The spelling of 84373642 in words is "eighty-four million, three hundred seventy-three thousand, six hundred forty-two".