66274696 has 64 divisors (see below), whose sum is σ = 134830080. Its totient is φ = 30481920.

The previous prime is 66274673. The next prime is 66274697. The reversal of 66274696 is 69647266.

66274696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (66274697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521785 + ... + 521911.

It is an arithmetic number, because the mean of its divisors is an integer number (2106720).

Almost surely, 2^66274696 is an apocalyptic number.

It is an amenable number.

66274696 is an abundant number, since it is smaller than the sum of its proper divisors (68555384).

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

66274696 is a wasteful number, since it uses less digits than its factorization.

66274696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 250 counting only the distinct ones).

The product of its digits is 653184, while the sum is 46.

The square root of 66274696 is about 8140.9272199179. The cubic root of 66274696 is about 404.6838888812.

The spelling of 66274696 in words is "sixty-six million, two hundred seventy-four thousand, six hundred ninety-six".