44399973 has 4 divisors (see below), whose sum is σ = 59199968. Its totient is φ = 29599980.

The previous prime is 44399933. The next prime is 44399977. The reversal of 44399973 is 37999344.

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 not a de Polignac number, because 44399973 - 2⁶ = 44399909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44399977) 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, 7399993 + ... + 7399998.

It is an arithmetic number, because the mean of its divisors is an integer number (14799992).

Almost surely, 2^44399973 is an apocalyptic number.

It is an amenable number.

44399973 is a deficient number, since it is larger than the sum of its proper divisors (14799995).

44399973 is a wasteful number, since it uses less digits than its factorization.

44399973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14799994.

The product of its digits is 734832, while the sum is 48.

The square root of 44399973 is about 6663.3304735695. The cubic root of 44399973 is about 354.1013387296.

The spelling of 44399973 in words is "forty-four million, three hundred ninety-nine thousand, nine hundred seventy-three".