66307079 has 8 divisors (see below), whose sum is σ = 68769120. Its totient is φ = 63856800.

The previous prime is 66307063. The next prime is 66307103. The reversal of 66307079 is 97070366.

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 66307079 - 2⁴ = 66307063 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 (66307039) 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, 9494 + ... + 14924.

It is an arithmetic number, because the mean of its divisors is an integer number (8596140).

Almost surely, 2^66307079 is an apocalyptic number.

66307079 is a deficient number, since it is larger than the sum of its proper divisors (2462041).

66307079 is a wasteful number, since it uses less digits than its factorization.

66307079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5881.

The product of its (nonzero) digits is 47628, while the sum is 38.

The square root of 66307079 is about 8142.9158782343. The cubic root of 66307079 is about 404.7497900738.

The spelling of 66307079 in words is "sixty-six million, three hundred seven thousand, seventy-nine".