44072901 has 12 divisors (see below), whose sum is σ = 63993228. Its totient is φ = 29228544.

The previous prime is 44072881. The next prime is 44072933. The reversal of 44072901 is 10927044.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4004001 + 40068900 = 2001^2 + 6330^2 .

It is not a de Polignac number, because 44072901 - 2¹⁰ = 44071877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44072971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10950 + ... + 14423.

It is an arithmetic number, because the mean of its divisors is an integer number (5332769).

Almost surely, 2^44072901 is an apocalyptic number.

It is an amenable number.

44072901 is a deficient number, since it is larger than the sum of its proper divisors (19920327).

44072901 is a wasteful number, since it uses less digits than its factorization.

44072901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25572 (or 25569 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 44072901 is about 6638.7424260925. The cubic root of 44072901 is about 353.2297001361.

Adding to 44072901 its reverse (10927044), we get a palindrome (54999945).

The spelling of 44072901 in words is "forty-four million, seventy-two thousand, nine hundred one".