66044234 has 4 divisors (see below), whose sum is σ = 99066354. Its totient is φ = 33022116.

The previous prime is 66044221. The next prime is 66044257. The reversal of 66044234 is 43244066.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43244066 = 2 ⋅21622033.

It can be written as a sum of positive squares in only one way, i.e., 44930209 + 21114025 = 6703^2 + 4595^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66044197 and 66044206.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16511057 + ... + 16511060.

Almost surely, 2^66044234 is an apocalyptic number.

66044234 is a deficient number, since it is larger than the sum of its proper divisors (33022120).

66044234 is a wasteful number, since it uses less digits than its factorization.

66044234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33022119.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 66044234 is about 8126.7603631459. The cubic root of 66044234 is about 404.2142648350.

The spelling of 66044234 in words is "sixty-six million, forty-four thousand, two hundred thirty-four".