66735132 has 24 divisors (see below), whose sum is σ = 164875536. Its totient is φ = 20936448.

The previous prime is 66735131. The next prime is 66735139. The reversal of 66735132 is 23153766.

It is a junction number, because it is equal to n+sod(n) for n = 66735093 and 66735102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66735131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163363 + ... + 163770.

It is an arithmetic number, because the mean of its divisors is an integer number (6869814).

Almost surely, 2^66735132 is an apocalyptic number.

It is an amenable number.

66735132 is an abundant number, since it is smaller than the sum of its proper divisors (98140404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66735132 is a wasteful number, since it uses less digits than its factorization.

66735132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327157 (or 327155 counting only the distinct ones).

The product of its digits is 22680, while the sum is 33.

The square root of 66735132 is about 8169.1573616867. The cubic root of 66735132 is about 405.6188922104.

Adding to 66735132 its reverse (23153766), we get a palindrome (89888898).

The spelling of 66735132 in words is "sixty-six million, seven hundred thirty-five thousand, one hundred thirty-two".