4709728 has 12 divisors (see below), whose sum is σ = 9272340. Its totient is φ = 2354848.

The previous prime is 4709723. The next prime is 4709753. The reversal of 4709728 is 8279074.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4709723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73558 + ... + 73621.

It is an arithmetic number, because the mean of its divisors is an integer number (772695).

Almost surely, 2^4709728 is an apocalyptic number.

It is an amenable number.

4709728 is a deficient number, since it is larger than the sum of its proper divisors (4562612).

4709728 is a wasteful number, since it uses less digits than its factorization.

4709728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147189 (or 147181 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 4709728 is about 2170.1907750242. The cubic root of 4709728 is about 167.6223565774.

The spelling of 4709728 in words is "four million, seven hundred nine thousand, seven hundred twenty-eight".