4412872721 has 8 divisors (see below), whose sum is σ = 4753156320. Its totient is φ = 4083391872.

The previous prime is 4412872679. The next prime is 4412872753. The reversal of 4412872721 is 1272782144.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4412872721 - 2¹⁸ = 4412610577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4412872021) 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 7 ways as a sum of consecutive naturals, for example, 2699840 + ... + 2701473.

It is an arithmetic number, because the mean of its divisors is an integer number (594144540).

Almost surely, 2^4412872721 is an apocalyptic number.

It is an amenable number.

4412872721 is a deficient number, since it is larger than the sum of its proper divisors (340283599).

4412872721 is a wasteful number, since it uses less digits than its factorization.

4412872721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5401375.

The product of its digits is 50176, while the sum is 38.

The square root of 4412872721 is about 66429.4567266661. The cubic root of 4412872721 is about 1640.2389995975.

The spelling of 4412872721 in words is "four billion, four hundred twelve million, eight hundred seventy-two thousand, seven hundred twenty-one".