4507668 has 36 divisors (see below), whose sum is σ = 12431328. Its totient is φ = 1365840.

The previous prime is 4507667. The next prime is 4507691. The reversal of 4507668 is 8667054.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4507667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5296 + ... + 6087.

Almost surely, 2^4507668 is an apocalyptic number.

It is an amenable number.

4507668 is an abundant number, since it is smaller than the sum of its proper divisors (7923660).

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

4507668 is a wasteful number, since it uses less digits than its factorization.

4507668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11404 (or 11399 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 4507668 is about 2123.1269392102. The cubic root of 4507668 is about 165.1900839649.

It can be divided in two parts, 450 and 7668, that added together give a palindrome (8118).

The spelling of 4507668 in words is "four million, five hundred seven thousand, six hundred sixty-eight".