4814721 has 10 divisors (see below), whose sum is σ = 7192482. Its totient is φ = 3209760.

The previous prime is 4814717. The next prime is 4814743. The reversal of 4814721 is 1274184.

It can be written as a sum of positive squares in only one way, i.e., 3111696 + 1703025 = 1764^2 + 1305^2 .

It is not a de Polignac number, because 4814721 - 2² = 4814717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

4814721 is a lucky number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4814221) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 29640 + ... + 29801.

Almost surely, 2^4814721 is an apocalyptic number.

It is an amenable number.

4814721 is a deficient number, since it is larger than the sum of its proper divisors (2377761).

4814721 is an equidigital number, since it uses as much as digits as its factorization.

4814721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59453 (or 59444 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 4814721 is about 2194.2472513370. The cubic root of 4814721 is about 168.8588039062.

The spelling of 4814721 in words is "four million, eight hundred fourteen thousand, seven hundred twenty-one".