40744343 has 2 divisors, whose sum is σ = 40744344. Its totient is φ = 40744342.

The previous prime is 40744331. The next prime is 40744369. The reversal of 40744343 is 34344704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40744343 - 2²² = 36550039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40744373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20372171 + 20372172.

It is an arithmetic number, because the mean of its divisors is an integer number (20372172).

Almost surely, 2^40744343 is an apocalyptic number.

40744343 is a deficient number, since it is larger than the sum of its proper divisors (1).

40744343 is an equidigital number, since it uses as much as digits as its factorization.

40744343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 40744343 is about 6383.1295615865. The cubic root of 40744343 is about 344.1035129943.

The spelling of 40744343 in words is "forty million, seven hundred forty-four thousand, three hundred forty-three".