84134974 has 32 divisors (see below), whose sum is σ = 162777600. Its totient is φ = 31647840.

The previous prime is 84134969. The next prime is 84134977. The reversal of 84134974 is 47943148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84134977) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4954 + ... + 13885.

It is an arithmetic number, because the mean of its divisors is an integer number (5086800).

Almost surely, 2^84134974 is an apocalyptic number.

84134974 is a deficient number, since it is larger than the sum of its proper divisors (78642626).

84134974 is a wasteful number, since it uses less digits than its factorization.

84134974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18888.

The product of its digits is 96768, while the sum is 40.

The square root of 84134974 is about 9172.5118697116. The cubic root of 84134974 is about 438.1863603728.

The spelling of 84134974 in words is "eighty-four million, one hundred thirty-four thousand, nine hundred seventy-four".