66274662 has 16 divisors (see below), whose sum is σ = 132869232. Its totient is φ = 22038240.

The previous prime is 66274633. The next prime is 66274667. The reversal of 66274662 is 26647266.

It is a self number, because there is not a number n which added to its sum of digits gives 66274662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66274667) 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, 10593 + ... + 15644.

It is an arithmetic number, because the mean of its divisors is an integer number (8304327).

Almost surely, 2^66274662 is an apocalyptic number.

66274662 is an abundant number, since it is smaller than the sum of its proper divisors (66594570).

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

66274662 is a wasteful number, since it uses less digits than its factorization.

66274662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26663.

The product of its digits is 145152, while the sum is 39.

The square root of 66274662 is about 8140.9251317034. The cubic root of 66274662 is about 404.6838196780.

The spelling of 66274662 in words is "sixty-six million, two hundred seventy-four thousand, six hundred sixty-two".