40743473 has 2 divisors, whose sum is σ = 40743474. Its totient is φ = 40743472.

The previous prime is 40743449. The next prime is 40743481. The reversal of 40743473 is 37434704.

40743473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40742689 + 784 = 6383^2 + 28^2 .

It is a cyclic number.

It is not a de Polignac number, because 40743473 - 2¹⁶ = 40677937 is a prime.

It is not a weakly prime, because it can be changed into another prime (40743673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20371736 + 20371737.

It is an arithmetic number, because the mean of its divisors is an integer number (20371737).

Almost surely, 2^40743473 is an apocalyptic number.

It is an amenable number.

40743473 is a deficient number, since it is larger than the sum of its proper divisors (1).

40743473 is an equidigital number, since it uses as much as digits as its factorization.

40743473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 32.

The square root of 40743473 is about 6383.0614128332. The cubic root of 40743473 is about 344.1010638020.

The spelling of 40743473 in words is "forty million, seven hundred forty-three thousand, four hundred seventy-three".