44747861 has 2 divisors, whose sum is σ = 44747862. Its totient is φ = 44747860.

The previous prime is 44747779. The next prime is 44747863. The reversal of 44747861 is 16874744.

44747861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32706961 + 12040900 = 5719^2 + 3470^2 .

It is a cyclic number.

It is not a de Polignac number, because 44747861 - 2¹⁸ = 44485717 is a prime.

Together with 44747863, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44747863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22373930 + 22373931.

It is an arithmetic number, because the mean of its divisors is an integer number (22373931).

Almost surely, 2^44747861 is an apocalyptic number.

It is an amenable number.

44747861 is a deficient number, since it is larger than the sum of its proper divisors (1).

44747861 is an equidigital number, since it uses as much as digits as its factorization.

44747861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 150528, while the sum is 41.

The square root of 44747861 is about 6689.3842018530. The cubic root of 44747861 is about 355.0237661798.

The spelling of 44747861 in words is "forty-four million, seven hundred forty-seven thousand, eight hundred sixty-one".