66270282 has 32 divisors (see below), whose sum is σ = 145780992. Its totient is φ = 19955904.

The previous prime is 66270263. The next prime is 66270287. The reversal of 66270282 is 28207266.

It is not an unprimeable number, because it can be changed into a prime (66270287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5373 + ... + 12704.

It is an arithmetic number, because the mean of its divisors is an integer number (4555656).

Almost surely, 2^66270282 is an apocalyptic number.

66270282 is an abundant number, since it is smaller than the sum of its proper divisors (79510710).

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

66270282 is a wasteful number, since it uses less digits than its factorization.

66270282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18142.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 66270282 is about 8140.6561160634. The cubic root of 66270282 is about 404.6749044852.

The spelling of 66270282 in words is "sixty-six million, two hundred seventy thousand, two hundred eighty-two".