44734639 has 2 divisors, whose sum is σ = 44734640. Its totient is φ = 44734638.

The previous prime is 44734637. The next prime is 44734673. The reversal of 44734639 is 93643744.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44734639 - 2¹ = 44734637 is a prime.

Together with 44734637, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44734637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22367319 + 22367320.

It is an arithmetic number, because the mean of its divisors is an integer number (22367320).

Almost surely, 2^44734639 is an apocalyptic number.

44734639 is a deficient number, since it is larger than the sum of its proper divisors (1).

44734639 is an equidigital number, since it uses as much as digits as its factorization.

44734639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 40.

The square root of 44734639 is about 6688.3958465390. The cubic root of 44734639 is about 354.9887955202.

The spelling of 44734639 in words is "forty-four million, seven hundred thirty-four thousand, six hundred thirty-nine".