4522740 has 48 divisors (see below), whose sum is σ = 12965568. Its totient is φ = 1177344.

The previous prime is 4522729. The next prime is 4522747. The reversal of 4522740 is 472254.

4522740 = T₈₈ + T₈₉ + ... + T₃₀₂.

It is a self number, because there is not a number n which added to its sum of digits gives 4522740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4522747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1704 + ... + 3456.

It is an arithmetic number, because the mean of its divisors is an integer number (270116).

Almost surely, 2^4522740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4522740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6482784).

4522740 is an abundant number, since it is smaller than the sum of its proper divisors (8442828).

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

4522740 is a wasteful number, since it uses less digits than its factorization.

4522740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808 (or 1806 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 4522740 is about 2126.6734587143. The cubic root of 4522740 is about 165.3739909693.

Adding to 4522740 its reverse (472254), we get a palindrome (4994994).

The spelling of 4522740 in words is "four million, five hundred twenty-two thousand, seven hundred forty".