66275298 has 24 divisors (see below), whose sum is σ = 146937648. Its totient is φ = 21577752.

The previous prime is 66275273. The next prime is 66275309. The reversal of 66275298 is 89257266.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42040 + ... + 43587.

It is an arithmetic number, because the mean of its divisors is an integer number (6122402).

Almost surely, 2^66275298 is an apocalyptic number.

66275298 is an abundant number, since it is smaller than the sum of its proper divisors (80662350).

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

66275298 is a wasteful number, since it uses less digits than its factorization.

66275298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85678 (or 85675 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 66275298 is about 8140.9641935093. The cubic root of 66275298 is about 404.6851141802.

The spelling of 66275298 in words is "sixty-six million, two hundred seventy-five thousand, two hundred ninety-eight".