44013687 has 8 divisors (see below), whose sum is σ = 58771440. Its totient is φ = 29299200.

The previous prime is 44013661. The next prime is 44013689. The reversal of 44013687 is 78631044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44013687 - 2²⁴ = 27236471 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44013689) 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, 8362 + ... + 12567.

It is an arithmetic number, because the mean of its divisors is an integer number (7346430).

Almost surely, 2^44013687 is an apocalyptic number.

44013687 is a deficient number, since it is larger than the sum of its proper divisors (14757753).

44013687 is a wasteful number, since it uses less digits than its factorization.

44013687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21633.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 44013687 is about 6634.2811969346. The cubic root of 44013687 is about 353.0714357055.

The spelling of 44013687 in words is "forty-four million, thirteen thousand, six hundred eighty-seven".