40374343 has 2 divisors, whose sum is σ = 40374344. Its totient is φ = 40374342.

The previous prime is 40374319. The next prime is 40374353. The reversal of 40374343 is 34347304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40374343 - 2⁹ = 40373831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40374353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20187171 + 20187172.

It is an arithmetic number, because the mean of its divisors is an integer number (20187172).

Almost surely, 2^40374343 is an apocalyptic number.

40374343 is a deficient number, since it is larger than the sum of its proper divisors (1).

40374343 is an equidigital number, since it uses as much as digits as its factorization.

40374343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 28.

The square root of 40374343 is about 6354.0808147206. The cubic root of 40374343 is about 343.0587409703.

The spelling of 40374343 in words is "forty million, three hundred seventy-four thousand, three hundred forty-three".