44172725 has 12 divisors (see below), whose sum is σ = 55085760. Its totient is φ = 35137200.

The previous prime is 44172677. The next prime is 44172727. The reversal of 44172725 is 52727144.

It is not a de Polignac number, because 44172725 - 2²⁴ = 27395509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44172691 and 44172700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44172727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 461 + ... + 9410.

It is an arithmetic number, because the mean of its divisors is an integer number (4590480).

Almost surely, 2^44172725 is an apocalyptic number.

It is an amenable number.

44172725 is a deficient number, since it is larger than the sum of its proper divisors (10913035).

44172725 is a wasteful number, since it uses less digits than its factorization.

44172725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10060 (or 10055 counting only the distinct ones).

The product of its digits is 15680, while the sum is 32.

The square root of 44172725 is about 6646.2564651088. The cubic root of 44172725 is about 353.4961844732.

Adding to 44172725 its reverse (52727144), we get a palindrome (96899869).

The spelling of 44172725 in words is "forty-four million, one hundred seventy-two thousand, seven hundred twenty-five".