40469743 has 2 divisors, whose sum is σ = 40469744. Its totient is φ = 40469742.

The previous prime is 40469731. The next prime is 40469771. The reversal of 40469743 is 34796404.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40469743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40469713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20234871 + 20234872.

It is an arithmetic number, because the mean of its divisors is an integer number (20234872).

Almost surely, 2^40469743 is an apocalyptic number.

40469743 is a deficient number, since it is larger than the sum of its proper divisors (1).

40469743 is an equidigital number, since it uses as much as digits as its factorization.

40469743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 40469743 is about 6361.5833720859. The cubic root of 40469743 is about 343.3287314137.

The spelling of 40469743 in words is "forty million, four hundred sixty-nine thousand, seven hundred forty-three".