40547743 has 2 divisors, whose sum is σ = 40547744. Its totient is φ = 40547742.

The previous prime is 40547693. The next prime is 40547747. The reversal of 40547743 is 34774504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40547743 - 2⁹ = 40547231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40547699 and 40547708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40547747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20273871 + 20273872.

It is an arithmetic number, because the mean of its divisors is an integer number (20273872).

Almost surely, 2^40547743 is an apocalyptic number.

40547743 is a deficient number, since it is larger than the sum of its proper divisors (1).

40547743 is an equidigital number, since it uses as much as digits as its factorization.

40547743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 40547743 is about 6367.7109701996. The cubic root of 40547743 is about 343.5491632124.

The spelling of 40547743 in words is "forty million, five hundred forty-seven thousand, seven hundred forty-three".