44129725 has 12 divisors (see below), whose sum is σ = 54889344. Its totient is φ = 35195120.

The previous prime is 44129713. The next prime is 44129803. The reversal of 44129725 is 52792144.

It is not a de Polignac number, because 44129725 - 2¹⁷ = 43998653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6132 + ... + 11218.

It is an arithmetic number, because the mean of its divisors is an integer number (4574112).

Almost surely, 2^44129725 is an apocalyptic number.

It is an amenable number.

44129725 is a deficient number, since it is larger than the sum of its proper divisors (10759619).

44129725 is a wasteful number, since it uses less digits than its factorization.

44129725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5444 (or 5439 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 44129725 is about 6643.0207737143. The cubic root of 44129725 is about 353.3814434510.

The spelling of 44129725 in words is "forty-four million, one hundred twenty-nine thousand, seven hundred twenty-five".