4642728 has 16 divisors (see below), whose sum is σ = 11606880. Its totient is φ = 1547568.

The previous prime is 4642721. The next prime is 4642733. The reversal of 4642728 is 8272464.

4642728 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4642721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96700 + ... + 96747.

It is an arithmetic number, because the mean of its divisors is an integer number (725430).

Almost surely, 2^4642728 is an apocalyptic number.

It is an amenable number.

4642728 is an abundant number, since it is smaller than the sum of its proper divisors (6964152).

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

4642728 is a wasteful number, since it uses less digits than its factorization.

4642728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193456 (or 193452 counting only the distinct ones).

The product of its digits is 21504, while the sum is 33.

The square root of 4642728 is about 2154.6990509118. The cubic root of 4642728 is about 166.8236991095.

The spelling of 4642728 in words is "four million, six hundred forty-two thousand, seven hundred twenty-eight".