4832721 has 12 divisors (see below), whose sum is σ = 7035600. Its totient is φ = 3196440.

The previous prime is 4832719. The next prime is 4832741. The reversal of 4832721 is 1272384.

4832721 = 410² + 411² + ... + 436².

It is not a de Polignac number, because 4832721 - 2¹ = 4832719 is a prime.

It is a d-powerful number, because it can be written as 4⁴ + 8⁵ + 3¹⁴ + 2¹³ + 7³ + 2¹³ + 1 .

It is not an unprimeable number, because it can be changed into a prime (4832701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 871 + ... + 3228.

It is an arithmetic number, because the mean of its divisors is an integer number (586300).

Almost surely, 2^4832721 is an apocalyptic number.

It is an amenable number.

4832721 is a deficient number, since it is larger than the sum of its proper divisors (2202879).

4832721 is a wasteful number, since it uses less digits than its factorization.

4832721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4236 (or 4233 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 4832721 is about 2198.3450593572. The cubic root of 4832721 is about 169.0689703666.

The spelling of 4832721 in words is "four million, eight hundred thirty-two thousand, seven hundred twenty-one".