44334721 has 4 divisors (see below), whose sum is σ = 44896000. Its totient is φ = 43773444.

The previous prime is 44334713. The next prime is 44334749. The reversal of 44334721 is 12743344.

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 44334721 - 2³ = 44334713 is a prime.

It is a super-2 number, since 2×44334721² = 3931134972295682, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44334721.

It is not an unprimeable number, because it can be changed into a prime (44334751) 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, 280521 + ... + 280678.

It is an arithmetic number, because the mean of its divisors is an integer number (11224000).

Almost surely, 2^44334721 is an apocalyptic number.

It is an amenable number.

44334721 is a deficient number, since it is larger than the sum of its proper divisors (561279).

44334721 is an equidigital number, since it uses as much as digits as its factorization.

44334721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561278.

The product of its digits is 8064, while the sum is 28.

The square root of 44334721 is about 6658.4323230022. The cubic root of 44334721 is about 353.9277864552.

The spelling of 44334721 in words is "forty-four million, three hundred thirty-four thousand, seven hundred twenty-one".