44472917 has 4 divisors (see below), whose sum is σ = 44511756. Its totient is φ = 44434080.

The previous prime is 44472913. The next prime is 44472929. The reversal of 44472917 is 71927444.

44472917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38514436 + 5958481 = 6206^2 + 2441^2 .

It is a cyclic number.

It is not a de Polignac number, because 44472917 - 2² = 44472913 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44472913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17648 + ... + 20009.

It is an arithmetic number, because the mean of its divisors is an integer number (11127939).

Almost surely, 2^44472917 is an apocalyptic number.

It is an amenable number.

44472917 is a deficient number, since it is larger than the sum of its proper divisors (38839).

44472917 is a wasteful number, since it uses less digits than its factorization.

44472917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38838.

The product of its digits is 56448, while the sum is 38.

The square root of 44472917 is about 6668.8017664345. The cubic root of 44472917 is about 354.2951484267.

The spelling of 44472917 in words is "forty-four million, four hundred seventy-two thousand, nine hundred seventeen".