4521712 has 20 divisors (see below), whose sum is σ = 9435160. Its totient is φ = 2086848.

The previous prime is 4521707. The next prime is 4521721. The reversal of 4521712 is 2171254.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10662 + ... + 11077.

It is an arithmetic number, because the mean of its divisors is an integer number (471758).

Almost surely, 2^4521712 is an apocalyptic number.

It is an amenable number.

4521712 is an abundant number, since it is smaller than the sum of its proper divisors (4913448).

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

4521712 is a wasteful number, since it uses less digits than its factorization.

4521712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21760 (or 21754 counting only the distinct ones).

The product of its digits is 560, while the sum is 22.

The square root of 4521712 is about 2126.4317529608. The cubic root of 4521712 is about 165.3614604129.

Adding to 4521712 its reverse (2171254), we get a palindrome (6692966).

The spelling of 4521712 in words is "four million, five hundred twenty-one thousand, seven hundred twelve".