44747999 has 4 divisors (see below), whose sum is σ = 44774520. Its totient is φ = 44721480.

The previous prime is 44747987. The next prime is 44748017. The reversal of 44747999 is 99974744.

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

It is a cyclic number.

It is not a de Polignac number, because 44747999 - 2¹² = 44743903 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 44747999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44747909) 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, 10544 + ... + 14165.

It is an arithmetic number, because the mean of its divisors is an integer number (11193630).

Almost surely, 2^44747999 is an apocalyptic number.

44747999 is a deficient number, since it is larger than the sum of its proper divisors (26521).

44747999 is a wasteful number, since it uses less digits than its factorization.

44747999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26520.

The product of its digits is 2286144, while the sum is 53.

The square root of 44747999 is about 6689.3945166958. The cubic root of 44747999 is about 355.0241311375.

The spelling of 44747999 in words is "forty-four million, seven hundred forty-seven thousand, nine hundred ninety-nine".