66984462 has 32 divisors (see below), whose sum is σ = 156691200. Its totient is φ = 21152664.

The previous prime is 66984457. The next prime is 66984469. The reversal of 66984462 is 26448966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66984469) 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, 31618 + ... + 33669.

It is an arithmetic number, because the mean of its divisors is an integer number (4896600).

Almost surely, 2^66984462 is an apocalyptic number.

66984462 is an abundant number, since it is smaller than the sum of its proper divisors (89706738).

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

66984462 is a wasteful number, since it uses less digits than its factorization.

66984462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65317 (or 65311 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 66984462 is about 8184.4035824243. The cubic root of 66984462 is about 406.1234104359.

The spelling of 66984462 in words is "sixty-six million, nine hundred eighty-four thousand, four hundred sixty-two".