44726013 has 20 divisors (see below), whose sum is σ = 67182588. Its totient is φ = 29652480.

The previous prime is 44726009. The next prime is 44726027. The reversal of 44726013 is 31062744.

It can be written as a sum of positive squares in 2 ways, for example, as 17665209 + 27060804 = 4203^2 + 5202^2 .

It is not a de Polignac number, because 44726013 - 2² = 44726009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44726113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14203 + ... + 17063.

Almost surely, 2^44726013 is an apocalyptic number.

It is an amenable number.

44726013 is a deficient number, since it is larger than the sum of its proper divisors (22456575).

44726013 is a wasteful number, since it uses less digits than its factorization.

44726013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066 (or 3057 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 44726013 is about 6687.7509672535. The cubic root of 44726013 is about 354.9659770343.

Adding to 44726013 its reverse (31062744), we get a palindrome (75788757).

The spelling of 44726013 in words is "forty-four million, seven hundred twenty-six thousand, thirteen".