66748302 has 24 divisors (see below), whose sum is σ = 144823536. Its totient is φ = 22218336.

The previous prime is 66748291. The next prime is 66748321. The reversal of 66748302 is 20384766.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13263 + ... + 17589.

It is an arithmetic number, because the mean of its divisors is an integer number (6034314).

Almost surely, 2^66748302 is an apocalyptic number.

66748302 is an abundant number, since it is smaller than the sum of its proper divisors (78075234).

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

66748302 is a wasteful number, since it uses less digits than its factorization.

66748302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5192 (or 5189 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 66748302 is about 8169.9634026108. The cubic root of 66748302 is about 405.6455730569.

The spelling of 66748302 in words is "sixty-six million, seven hundred forty-eight thousand, three hundred two".