4538730 has 32 divisors (see below), whose sum is σ = 12449664. Its totient is φ = 1037376.

The previous prime is 4538717. The next prime is 4538731. The reversal of 4538730 is 378354.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (4538731) 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, 10597 + ... + 11016.

It is an arithmetic number, because the mean of its divisors is an integer number (389052).

Almost surely, 2^4538730 is an apocalyptic number.

4538730 is an abundant number, since it is smaller than the sum of its proper divisors (7910934).

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

4538730 is a wasteful number, since it uses less digits than its factorization.

4538730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21630.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 4538730 is about 2130.4295341550. The cubic root of 4538730 is about 165.5686531952.

The spelling of 4538730 in words is "four million, five hundred thirty-eight thousand, seven hundred thirty".