84137066 has 8 divisors (see below), whose sum is σ = 135913764. Its totient is φ = 38832480.

The previous prime is 84137047. The next prime is 84137071. The reversal of 84137066 is 66073148.

It can be written as a sum of positive squares in 2 ways, for example, as 78943225 + 5193841 = 8885^2 + 2279^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1617995 + ... + 1618046.

Almost surely, 2^84137066 is an apocalyptic number.

84137066 is a deficient number, since it is larger than the sum of its proper divisors (51776698).

84137066 is a wasteful number, since it uses less digits than its factorization.

84137066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236056.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 84137066 is about 9172.6259053774. The cubic root of 84137066 is about 438.1899921493.

The spelling of 84137066 in words is "eighty-four million, one hundred thirty-seven thousand, sixty-six".