4521372 has 24 divisors (see below), whose sum is σ = 10584336. Its totient is φ = 1502208.

The previous prime is 4521367. The next prime is 4521379. The reversal of 4521372 is 2731254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4521379) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6598 + ... + 7250.

It is an arithmetic number, because the mean of its divisors is an integer number (441014).

Almost surely, 2^4521372 is an apocalyptic number.

It is an amenable number.

4521372 is an abundant number, since it is smaller than the sum of its proper divisors (6062964).

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

4521372 is a wasteful number, since it uses less digits than its factorization.

4521372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237 (or 1235 counting only the distinct ones).

The product of its digits is 1680, while the sum is 24.

The square root of 4521372 is about 2126.3518053229. The cubic root of 4521372 is about 165.3573156476.

The spelling of 4521372 in words is "four million, five hundred twenty-one thousand, three hundred seventy-two".