4728730 has 16 divisors (see below), whose sum is σ = 8596224. Its totient is φ = 1872720.

The previous prime is 4728697. The next prime is 4728733. The reversal of 4728730 is 378274.

It is a junction number, because it is equal to n+sod(n) for n = 4728692 and 4728701.

It is not an unprimeable number, because it can be changed into a prime (4728733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1266 + ... + 3325.

It is an arithmetic number, because the mean of its divisors is an integer number (537264).

Almost surely, 2^4728730 is an apocalyptic number.

4728730 is a deficient number, since it is larger than the sum of its proper divisors (3867494).

4728730 is a wasteful number, since it uses less digits than its factorization.

4728730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 4728730 is about 2174.5643241808. The cubic root of 4728730 is about 167.8474853570.

The spelling of 4728730 in words is "four million, seven hundred twenty-eight thousand, seven hundred thirty".