84134975 has 6 divisors (see below), whose sum is σ = 104327400. Its totient is φ = 67307960.

The previous prime is 84134969. The next prime is 84134977. The reversal of 84134975 is 57943148.

It is not a de Polignac number, because 84134975 - 2⁴ = 84134959 is a prime.

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 polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1682675 + ... + 1682724.

It is an arithmetic number, because the mean of its divisors is an integer number (17387900).

Almost surely, 2^84134975 is an apocalyptic number.

84134975 is a deficient number, since it is larger than the sum of its proper divisors (20192425).

84134975 is a wasteful number, since it uses less digits than its factorization.

84134975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365409 (or 3365404 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 84134975 is about 9172.5119242223. The cubic root of 84134975 is about 438.1863621088.

The spelling of 84134975 in words is "eighty-four million, one hundred thirty-four thousand, nine hundred seventy-five".