44729213 has 2 divisors, whose sum is σ = 44729214. Its totient is φ = 44729212.

The previous prime is 44729203. The next prime is 44729221. The reversal of 44729213 is 31292744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44649124 + 80089 = 6682^2 + 283^2 .

It is a cyclic number.

It is not a de Polignac number, because 44729213 - 2²² = 40534909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44729213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44729203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22364606 + 22364607.

It is an arithmetic number, because the mean of its divisors is an integer number (22364607).

Almost surely, 2^44729213 is an apocalyptic number.

It is an amenable number.

44729213 is a deficient number, since it is larger than the sum of its proper divisors (1).

44729213 is an equidigital number, since it uses as much as digits as its factorization.

44729213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

The square root of 44729213 is about 6687.9902063325. The cubic root of 44729213 is about 354.9744423841.

The spelling of 44729213 in words is "forty-four million, seven hundred twenty-nine thousand, two hundred thirteen".