4627666 has 4 divisors (see below), whose sum is σ = 6941502. Its totient is φ = 2313832.

The previous prime is 4627663. The next prime is 4627673. The reversal of 4627666 is 6667264.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2653641 + 1974025 = 1629^2 + 1405^2 .

It is not an unprimeable number, because it can be changed into a prime (4627663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156915 + ... + 1156918.

Almost surely, 2^4627666 is an apocalyptic number.

4627666 is a deficient number, since it is larger than the sum of its proper divisors (2313836).

4627666 is a wasteful number, since it uses less digits than its factorization.

4627666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313835.

The product of its digits is 72576, while the sum is 37.

The square root of 4627666 is about 2151.2010598733. The cubic root of 4627666 is about 166.6430997789.

It can be divided in two parts, 462 and 7666, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 4627666 in words is "four million, six hundred twenty-seven thousand, six hundred sixty-six".