66070244 has 12 divisors (see below), whose sum is σ = 115680768. Its totient is φ = 33018600.

The previous prime is 66070187. The next prime is 66070247. The reversal of 66070244 is 44207066.

66070244 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 (66070247) 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 3 ways as a sum of consecutive naturals, for example, 11129 + ... + 15999.

It is an arithmetic number, because the mean of its divisors is an integer number (9640064).

Almost surely, 2^66070244 is an apocalyptic number.

It is an amenable number.

66070244 is a deficient number, since it is larger than the sum of its proper divisors (49610524).

66070244 is a wasteful number, since it uses less digits than its factorization.

66070244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8266 (or 8264 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 66070244 is about 8128.3604742900. The cubic root of 66070244 is about 404.2673213625.

The spelling of 66070244 in words is "sixty-six million, seventy thousand, two hundred forty-four".