44872129 has 8 divisors (see below), whose sum is σ = 50012640. Its totient is φ = 40009536.

The previous prime is 44872123. The next prime is 44872141. The reversal of 44872129 is 92127844.

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

It is a cyclic number.

It is not a de Polignac number, because 44872129 - 2⁷ = 44872001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44872123) 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, 69139 + ... + 69784.

It is an arithmetic number, because the mean of its divisors is an integer number (6251580).

Almost surely, 2^44872129 is an apocalyptic number.

It is an amenable number.

44872129 is a deficient number, since it is larger than the sum of its proper divisors (5140511).

44872129 is a wasteful number, since it uses less digits than its factorization.

44872129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138959.

The product of its digits is 32256, while the sum is 37.

The square root of 44872129 is about 6698.6662105228. Note that the first 3 decimals coincide. The cubic root of 44872129 is about 355.3521045301.

The spelling of 44872129 in words is "forty-four million, eight hundred seventy-two thousand, one hundred twenty-nine".