4537668 has 24 divisors (see below), whose sum is σ = 10763200. Its totient is φ = 1487520.

The previous prime is 4537633. The next prime is 4537669. The reversal of 4537668 is 8667354.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4537669) 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, 2368 + ... + 3831.

Almost surely, 2^4537668 is an apocalyptic number.

It is an amenable number.

4537668 is an abundant number, since it is smaller than the sum of its proper divisors (6225532).

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

4537668 is a wasteful number, since it uses less digits than its factorization.

4537668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6267 (or 6265 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 4537668 is about 2130.1802740613. The cubic root of 4537668 is about 165.5557385968. Note that the first 3 decimals are identical.

The spelling of 4537668 in words is "four million, five hundred thirty-seven thousand, six hundred sixty-eight".