44172929 has 8 divisors (see below), whose sum is σ = 47088000. Its totient is φ = 41316912.

The previous prime is 44172893. The next prime is 44172937. The reversal of 44172929 is 92927144.

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 44172929 - 2²⁰ = 43124353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44172892 and 44172901.

It is not an unprimeable number, because it can be changed into a prime (44172959) 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, 13214 + ... + 16215.

It is an arithmetic number, because the mean of its divisors is an integer number (5886000).

Almost surely, 2^44172929 is an apocalyptic number.

It is an amenable number.

44172929 is a deficient number, since it is larger than the sum of its proper divisors (2915071).

44172929 is a wasteful number, since it uses less digits than its factorization.

44172929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29527.

The product of its digits is 36288, while the sum is 38.

The square root of 44172929 is about 6646.2718120763. The cubic root of 44172929 is about 353.4967286485.

The spelling of 44172929 in words is "forty-four million, one hundred seventy-two thousand, nine hundred twenty-nine".