4066738 has 16 divisors (see below), whose sum is σ = 6664896. Its totient is φ = 1849680.

The previous prime is 4066729. The next prime is 4066747. The reversal of 4066738 is 8376604.

It is an interprime number because it is at equal distance from previous prime (4066729) and next prime (4066747).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745 + ... + 2947.

It is an arithmetic number, because the mean of its divisors is an integer number (416556).

Almost surely, 2^4066738 is an apocalyptic number.

4066738 is a deficient number, since it is larger than the sum of its proper divisors (2598158).

4066738 is a wasteful number, since it uses less digits than its factorization.

4066738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 4066738 is about 2016.6154814441. The cubic root of 4066738 is about 159.6180734260.

The spelling of 4066738 in words is "four million, sixty-six thousand, seven hundred thirty-eight".