66347302 has 16 divisors (see below), whose sum is σ = 117660960. Its totient is φ = 27453888.

The previous prime is 66347293. The next prime is 66347339. The reversal of 66347302 is 20374366.

66347302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 81303 + ... + 82114.

It is an arithmetic number, because the mean of its divisors is an integer number (7353810).

Almost surely, 2^66347302 is an apocalyptic number.

66347302 is a deficient number, since it is larger than the sum of its proper divisors (51313658).

66347302 is a wasteful number, since it uses less digits than its factorization.

66347302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163455.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 66347302 is about 8145.3853193081. The cubic root of 66347302 is about 404.8316162288.

The spelling of 66347302 in words is "sixty-six million, three hundred forty-seven thousand, three hundred two".