4454721 has 24 divisors (see below), whose sum is σ = 6864000. Its totient is φ = 2776032.

The previous prime is 4454711. The next prime is 4454741. The reversal of 4454721 is 1274544.

It is not a de Polignac number, because 4454721 - 2⁶ = 4454657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4454711) 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 23 ways as a sum of consecutive naturals, for example, 18520 + ... + 18758.

It is an arithmetic number, because the mean of its divisors is an integer number (286000).

Almost surely, 2^4454721 is an apocalyptic number.

It is an amenable number.

4454721 is a deficient number, since it is larger than the sum of its proper divisors (2409279).

4454721 is a wasteful number, since it uses less digits than its factorization.

4454721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 370 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 4454721 is about 2110.6209986637. The cubic root of 4454721 is about 164.5407615719.

The spelling of 4454721 in words is "four million, four hundred fifty-four thousand, seven hundred twenty-one".