4512320 has 56 divisors (see below), whose sum is σ = 10972800. Its totient is φ = 1766912.

The previous prime is 4512317. The next prime is 4512331. The reversal of 4512320 is 232154.

It is a super-2 number, since 2×4512320² = 40722063564800, which contains 22 as substring.

It is a congruent number.

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, 18761 + ... + 18999.

Almost surely, 2^4512320 is an apocalyptic number.

4512320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4512320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5486400).

4512320 is an abundant number, since it is smaller than the sum of its proper divisors (6460480).

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

4512320 is a wasteful number, since it uses less digits than its factorization.

4512320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 4512320 is about 2124.2222105985. Note that the first 4 decimals coincide. The cubic root of 4512320 is about 165.2468908745.

Adding to 4512320 its reverse (232154), we get a palindrome (4744474).

The spelling of 4512320 in words is "four million, five hundred twelve thousand, three hundred twenty".