4705728 has 28 divisors (see below), whose sum is σ = 12451080. Its totient is φ = 1568512.

The previous prime is 4705709. The next prime is 4705747. The reversal of 4705728 is 8275074.

It is an interprime number because it is at equal distance from previous prime (4705709) and next prime (4705747).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12063 + ... + 12446.

Almost surely, 2^4705728 is an apocalyptic number.

4705728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4705728 is an abundant number, since it is smaller than the sum of its proper divisors (7745352).

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

4705728 is a wasteful number, since it uses less digits than its factorization.

4705728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24524 (or 24514 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 4705728 is about 2169.2690012997. The cubic root of 4705728 is about 167.5748889152.

The spelling of 4705728 in words is "four million, seven hundred five thousand, seven hundred twenty-eight".