40744307 has 2 divisors, whose sum is σ = 40744308. Its totient is φ = 40744306.

The previous prime is 40744237. The next prime is 40744321. The reversal of 40744307 is 70344704.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40744307 - 2⁸ = 40744051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40744307.

It is not a weakly prime, because it can be changed into another prime (40744387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20372153 + 20372154.

It is an arithmetic number, because the mean of its divisors is an integer number (20372154).

Almost surely, 2^40744307 is an apocalyptic number.

40744307 is a deficient number, since it is larger than the sum of its proper divisors (1).

40744307 is an equidigital number, since it uses as much as digits as its factorization.

40744307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 40744307 is about 6383.1267416526. The cubic root of 40744307 is about 344.1034116491.

The spelling of 40744307 in words is "forty million, seven hundred forty-four thousand, three hundred seven".