44007997 has 8 divisors (see below), whose sum is σ = 48061152. Its totient is φ = 39963600.

The previous prime is 44007979. The next prime is 44008031. The reversal of 44007997 is 79970044.

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-44007997 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 (44007497) 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, 12847 + ... + 15907.

It is an arithmetic number, because the mean of its divisors is an integer number (6007644).

Almost surely, 2^44007997 is an apocalyptic number.

It is an amenable number.

44007997 is a deficient number, since it is larger than the sum of its proper divisors (4053155).

44007997 is a wasteful number, since it uses less digits than its factorization.

44007997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4379.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 44007997 is about 6633.8523498794. The cubic root of 44007997 is about 353.0562202640.

The spelling of 44007997 in words is "forty-four million, seven thousand, nine hundred ninety-seven".