44421719 has 8 divisors (see below), whose sum is σ = 46077888. Its totient is φ = 42789600.

The previous prime is 44421691. The next prime is 44421733. The reversal of 44421719 is 91712444.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44421719 is a prime.

It is a super-2 number, since 2×44421719² = 3946578237829922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44421739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2207 + ... + 9680.

It is an arithmetic number, because the mean of its divisors is an integer number (5759736).

Almost surely, 2^44421719 is an apocalyptic number.

44421719 is a deficient number, since it is larger than the sum of its proper divisors (1656169).

44421719 is a wasteful number, since it uses less digits than its factorization.

44421719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12025.

The product of its digits is 8064, while the sum is 32.

The square root of 44421719 is about 6664.9620404020. The cubic root of 44421719 is about 354.1591392971.

The spelling of 44421719 in words is "forty-four million, four hundred twenty-one thousand, seven hundred nineteen".