66837282 has 16 divisors (see below), whose sum is σ = 133754880. Its totient is φ = 22265712.

The previous prime is 66837247. The next prime is 66837283. The reversal of 66837282 is 28273866.

It is not an unprimeable number, because it can be changed into a prime (66837283) 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 in 7 ways as a sum of consecutive naturals, for example, 16863 + ... + 20445.

It is an arithmetic number, because the mean of its divisors is an integer number (8359680).

Almost surely, 2^66837282 is an apocalyptic number.

66837282 is an abundant number, since it is smaller than the sum of its proper divisors (66917598).

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

66837282 is a wasteful number, since it uses less digits than its factorization.

66837282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6697.

The product of its digits is 193536, while the sum is 42.

The square root of 66837282 is about 8175.4071458246. The cubic root of 66837282 is about 405.8257440133.

It can be divided in two parts, 668 and 37282, that added together give a triangular number (37950 = T₂₇₅).

The spelling of 66837282 in words is "sixty-six million, eight hundred thirty-seven thousand, two hundred eighty-two".