66374245 has 8 divisors (see below), whose sum is σ = 91027584. Its totient is φ = 45513744.

The previous prime is 66374213. The next prime is 66374249. The reversal of 66374245 is 54247366.

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

It is a cyclic number.

It is not a de Polignac number, because 66374245 - 2⁵ = 66374213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66374249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948169 + ... + 948238.

It is an arithmetic number, because the mean of its divisors is an integer number (11378448).

Almost surely, 2^66374245 is an apocalyptic number.

It is an amenable number.

66374245 is a deficient number, since it is larger than the sum of its proper divisors (24653339).

66374245 is a wasteful number, since it uses less digits than its factorization.

66374245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896419.

The product of its digits is 120960, while the sum is 37.

The square root of 66374245 is about 8147.0390326793. The cubic root of 66374245 is about 404.8864082187.

The spelling of 66374245 in words is "sixty-six million, three hundred seventy-four thousand, two hundred forty-five".