66300739 has 8 divisors (see below), whose sum is σ = 67217040. Its totient is φ = 65390976.

The previous prime is 66300737. The next prime is 66300749. The reversal of 66300739 is 93700366.

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 66300739 - 2¹ = 66300737 is a prime.

It is a super-2 number, since 2×66300739² = 8791575983892242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66300733) 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, 20847 + ... + 23815.

It is an arithmetic number, because the mean of its divisors is an integer number (8402130).

Almost surely, 2^66300739 is an apocalyptic number.

66300739 is a deficient number, since it is larger than the sum of its proper divisors (916301).

66300739 is a wasteful number, since it uses less digits than its factorization.

66300739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3269.

The product of its (nonzero) digits is 20412, while the sum is 34.

The square root of 66300739 is about 8142.5265734906. The cubic root of 66300739 is about 404.7368895133.

The spelling of 66300739 in words is "sixty-six million, three hundred thousand, seven hundred thirty-nine".