66834032 has 10 divisors (see below), whose sum is σ = 129490968. Its totient is φ = 33417008.

The previous prime is 66834017. The next prime is 66834037. The reversal of 66834032 is 23043866.

It is a self number, because there is not a number n which added to its sum of digits gives 66834032.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2088548 + ... + 2088579.

Almost surely, 2^66834032 is an apocalyptic number.

It is an amenable number.

66834032 is a deficient number, since it is larger than the sum of its proper divisors (62656936).

66834032 is a wasteful number, since it uses less digits than its factorization.

66834032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4177135 (or 4177129 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 66834032 is about 8175.2083765492. The cubic root of 66834032 is about 405.8191660726.

Adding to 66834032 its reverse (23043866), we get a palindrome (89877898).

The spelling of 66834032 in words is "sixty-six million, eight hundred thirty-four thousand, thirty-two".