66834034 has 4 divisors (see below), whose sum is σ = 100251054. Its totient is φ = 33417016.

The previous prime is 66834017. The next prime is 66834037. The reversal of 66834034 is 43043866.

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

It can be written as a sum of positive squares in only one way, i.e., 58568409 + 8265625 = 7653^2 + 2875^2 .

It is not an unprimeable number, because it can be changed into a prime (66834037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16708507 + ... + 16708510.

Almost surely, 2^66834034 is an apocalyptic number.

66834034 is a deficient number, since it is larger than the sum of its proper divisors (33417020).

66834034 is a wasteful number, since it uses less digits than its factorization.

66834034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33417019.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 66834034 is about 8175.2084988702. The cubic root of 66834034 is about 405.8191701206.

The spelling of 66834034 in words is "sixty-six million, eight hundred thirty-four thousand, thirty-four".