84134758 has 4 divisors (see below), whose sum is σ = 126202140. Its totient is φ = 42067378.

The previous prime is 84134741. The next prime is 84134761. The reversal of 84134758 is 85743148.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 84134758.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 21033688 + ... + 21033691.

It is an arithmetic number, because the mean of its divisors is an integer number (31550535).

Almost surely, 2^84134758 is an apocalyptic number.

84134758 is a deficient number, since it is larger than the sum of its proper divisors (42067382).

84134758 is a wasteful number, since it uses less digits than its factorization.

84134758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42067381.

The product of its digits is 107520, while the sum is 40.

The square root of 84134758 is about 9172.5000953938. The cubic root of 84134758 is about 438.1859853867.

The spelling of 84134758 in words is "eighty-four million, one hundred thirty-four thousand, seven hundred fifty-eight".