66300245 has 8 divisors (see below), whose sum is σ = 86793120. Its totient is φ = 48218320.

The previous prime is 66300217. The next prime is 66300251. The reversal of 66300245 is 54200366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66300245 - 2⁶ = 66300181 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602675 + ... + 602784.

It is an arithmetic number, because the mean of its divisors is an integer number (10849140).

Almost surely, 2^66300245 is an apocalyptic number.

It is an amenable number.

66300245 is a deficient number, since it is larger than the sum of its proper divisors (20492875).

66300245 is a wasteful number, since it uses less digits than its factorization.

66300245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205475.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 66300245 is about 8142.4962388693. The cubic root of 66300245 is about 404.7358842931.

The spelling of 66300245 in words is "sixty-six million, three hundred thousand, two hundred forty-five".