44736421 has 2 divisors, whose sum is σ = 44736422. Its totient is φ = 44736420.

The previous prime is 44736397. The next prime is 44736427. The reversal of 44736421 is 12463744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35820225 + 8916196 = 5985^2 + 2986^2 .

It is a cyclic number.

It is not a de Polignac number, because 44736421 - 2¹¹ = 44734373 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44736427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22368210 + 22368211.

It is an arithmetic number, because the mean of its divisors is an integer number (22368211).

Almost surely, 2^44736421 is an apocalyptic number.

It is an amenable number.

44736421 is a deficient number, since it is larger than the sum of its proper divisors (1).

44736421 is an equidigital number, since it uses as much as digits as its factorization.

44736421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 31.

The square root of 44736421 is about 6688.5290610118. The cubic root of 44736421 is about 354.9935091057.

The spelling of 44736421 in words is "forty-four million, seven hundred thirty-six thousand, four hundred twenty-one".