40673671 has 2 divisors, whose sum is σ = 40673672. Its totient is φ = 40673670.

The previous prime is 40673663. The next prime is 40673687. The reversal of 40673671 is 17637604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40673671 - 2³ = 40673663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40673621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20336835 + 20336836.

It is an arithmetic number, because the mean of its divisors is an integer number (20336836).

Almost surely, 2^40673671 is an apocalyptic number.

40673671 is a deficient number, since it is larger than the sum of its proper divisors (1).

40673671 is an equidigital number, since it uses as much as digits as its factorization.

40673671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 40673671 is about 6377.5913164768. The cubic root of 40673671 is about 343.9044460354.

The spelling of 40673671 in words is "forty million, six hundred seventy-three thousand, six hundred seventy-one".