44473689 has 12 divisors (see below), whose sum is σ = 69181476. Its totient is φ = 27368352.

The previous prime is 44473673. The next prime is 44473711. The reversal of 44473689 is 98637444.

It can be written as a sum of positive squares in 2 ways, for example, as 20385225 + 24088464 = 4515^2 + 4908^2 .

It is not a de Polignac number, because 44473689 - 2⁴ = 44473673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44471689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189942 + ... + 190175.

It is an arithmetic number, because the mean of its divisors is an integer number (5765123).

Almost surely, 2^44473689 is an apocalyptic number.

It is an amenable number.

44473689 is a deficient number, since it is larger than the sum of its proper divisors (24707787).

44473689 is a wasteful number, since it uses less digits than its factorization.

44473689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380136 (or 380133 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 44473689 is about 6668.8596476459. The cubic root of 44473689 is about 354.2971984704.

The spelling of 44473689 in words is "forty-four million, four hundred seventy-three thousand, six hundred eighty-nine".