40671607 has 2 divisors, whose sum is σ = 40671608. Its totient is φ = 40671606.

The previous prime is 40671581. The next prime is 40671637. The reversal of 40671607 is 70617604.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40671607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40671637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20335803 + 20335804.

It is an arithmetic number, because the mean of its divisors is an integer number (20335804).

Almost surely, 2^40671607 is an apocalyptic number.

40671607 is a deficient number, since it is larger than the sum of its proper divisors (1).

40671607 is an equidigital number, since it uses as much as digits as its factorization.

40671607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 40671607 is about 6377.4294978463. The cubic root of 40671607 is about 343.8986287522.

The spelling of 40671607 in words is "forty million, six hundred seventy-one thousand, six hundred seven".