66293682 has 64 divisors (see below), whose sum is σ = 170311680. Its totient is φ = 16720704.

The previous prime is 66293657. The next prime is 66293701. The reversal of 66293682 is 28639266.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 9919 + ... + 15197.

It is an arithmetic number, because the mean of its divisors is an integer number (2661120).

Almost surely, 2^66293682 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66293682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85155840).

66293682 is an abundant number, since it is smaller than the sum of its proper divisors (104017998).

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

66293682 is a wasteful number, since it uses less digits than its factorization.

66293682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5327.

The product of its digits is 186624, while the sum is 42.

The square root of 66293682 is about 8142.0932198053. The cubic root of 66293682 is about 404.7225290420.

The spelling of 66293682 in words is "sixty-six million, two hundred ninety-three thousand, six hundred eighty-two".