40746571 has 2 divisors, whose sum is σ = 40746572. Its totient is φ = 40746570.

The previous prime is 40746533. The next prime is 40746581. The reversal of 40746571 is 17564704.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40746571 is a prime.

It is not a weakly prime, because it can be changed into another prime (40746581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20373285 + 20373286.

It is an arithmetic number, because the mean of its divisors is an integer number (20373286).

Almost surely, 2^40746571 is an apocalyptic number.

40746571 is a deficient number, since it is larger than the sum of its proper divisors (1).

40746571 is an equidigital number, since it uses as much as digits as its factorization.

40746571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 40746571 is about 6383.3040817432. The cubic root of 40746571 is about 344.1097850196.

The spelling of 40746571 in words is "forty million, seven hundred forty-six thousand, five hundred seventy-one".