66347082 has 12 divisors (see below), whose sum is σ = 143752050. Its totient is φ = 22115688.

The previous prime is 66347027. The next prime is 66347089. The reversal of 66347082 is 28074366.

It can be written as a sum of positive squares in only one way, i.e., 36108081 + 30239001 = 6009^2 + 5499^2 .

It is not an unprimeable number, because it can be changed into a prime (66347089) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1842957 + ... + 1842992.

Almost surely, 2^66347082 is an apocalyptic number.

66347082 is an abundant number, since it is smaller than the sum of its proper divisors (77404968).

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

66347082 is a wasteful number, since it uses less digits than its factorization.

66347082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3685957 (or 3685954 counting only the distinct ones).

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

The square root of 66347082 is about 8145.3718147179. The cubic root of 66347082 is about 404.8311687699.

The spelling of 66347082 in words is "sixty-six million, three hundred forty-seven thousand, eighty-two".