4066749 has 24 divisors (see below), whose sum is σ = 6132672. Its totient is φ = 2594880.

The previous prime is 4066747. The next prime is 4066759. The reversal of 4066749 is 9476604.

It is not a de Polignac number, because 4066749 - 2¹ = 4066747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4066747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37954 + ... + 38060.

It is an arithmetic number, because the mean of its divisors is an integer number (255528).

Almost surely, 2^4066749 is an apocalyptic number.

It is an amenable number.

4066749 is a deficient number, since it is larger than the sum of its proper divisors (2065923).

4066749 is a wasteful number, since it uses less digits than its factorization.

4066749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 4066749 is about 2016.6182087842. The cubic root of 4066749 is about 159.6182173413.

The spelling of 4066749 in words is "four million, sixty-six thousand, seven hundred forty-nine".