40727447 has 2 divisors, whose sum is σ = 40727448. Its totient is φ = 40727446.

The previous prime is 40727441. The next prime is 40727471. The reversal of 40727447 is 74472704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40727447 - 2⁸ = 40727191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40727441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20363723 + 20363724.

It is an arithmetic number, because the mean of its divisors is an integer number (20363724).

Almost surely, 2^40727447 is an apocalyptic number.

40727447 is a deficient number, since it is larger than the sum of its proper divisors (1).

40727447 is an equidigital number, since it uses as much as digits as its factorization.

40727447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43904, while the sum is 35.

The square root of 40727447 is about 6381.8059356267. The cubic root of 40727447 is about 344.0559417540.

The spelling of 40727447 in words is "forty million, seven hundred twenty-seven thousand, four hundred forty-seven".