4684721 has 4 divisors (see below), whose sum is σ = 4793712. Its totient is φ = 4575732.

The previous prime is 4684703. The next prime is 4684733. The reversal of 4684721 is 1274864.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4684721 - 2¹⁴ = 4668337 is a prime.

It is a super-2 number, since 2×4684721² = 43893221695682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4687721) 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, 54431 + ... + 54516.

It is an arithmetic number, because the mean of its divisors is an integer number (1198428).

Almost surely, 2^4684721 is an apocalyptic number.

It is an amenable number.

4684721 is a deficient number, since it is larger than the sum of its proper divisors (108991).

4684721 is a wasteful number, since it uses less digits than its factorization.

4684721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108990.

The product of its digits is 10752, while the sum is 32.

The square root of 4684721 is about 2164.4216317529. The cubic root of 4684721 is about 167.3251580196.

The spelling of 4684721 in words is "four million, six hundred eighty-four thousand, seven hundred twenty-one".