66740106 has 16 divisors (see below), whose sum is σ = 133562304. Its totient is φ = 22233024.

The previous prime is 66740101. The next prime is 66740111. The reversal of 66740106 is 60104766.

66740106 is nontrivially palindromic in base 5.

It is an interprime number because it is at equal distance from previous prime (66740101) and next prime (66740111).

It is a super-3 number, since 3×66740106³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (66740101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13890 + ... + 18066.

It is an arithmetic number, because the mean of its divisors is an integer number (8347644).

Almost surely, 2^66740106 is an apocalyptic number.

66740106 is an abundant number, since it is smaller than the sum of its proper divisors (66822198).

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

66740106 is a wasteful number, since it uses less digits than its factorization.

66740106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6845.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 66740106 is about 8169.4617937781. The cubic root of 66740106 is about 405.6289693527.

The spelling of 66740106 in words is "sixty-six million, seven hundred forty thousand, one hundred six".