40745227 has 2 divisors, whose sum is σ = 40745228. Its totient is φ = 40745226.

The previous prime is 40745219. The next prime is 40745231. The reversal of 40745227 is 72254704.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40745227 - 2³ = 40745219 is a prime.

It is not a weakly prime, because it can be changed into another prime (40745207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20372613 + 20372614.

It is an arithmetic number, because the mean of its divisors is an integer number (20372614).

Almost surely, 2^40745227 is an apocalyptic number.

40745227 is a deficient number, since it is larger than the sum of its proper divisors (1).

40745227 is an equidigital number, since it uses as much as digits as its factorization.

40745227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 40745227 is about 6383.1988062413. The cubic root of 40745227 is about 344.1060015631.

The spelling of 40745227 in words is "forty million, seven hundred forty-five thousand, two hundred twenty-seven".