40373867 has 2 divisors, whose sum is σ = 40373868. Its totient is φ = 40373866.

The previous prime is 40373857. The next prime is 40373869. The reversal of 40373867 is 76837304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40373867 - 2¹⁴ = 40357483 is a prime.

Together with 40373869, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40373867.

It is not a weakly prime, because it can be changed into another prime (40373869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20186933 + 20186934.

It is an arithmetic number, because the mean of its divisors is an integer number (20186934).

Almost surely, 2^40373867 is an apocalyptic number.

40373867 is a deficient number, since it is larger than the sum of its proper divisors (1).

40373867 is an equidigital number, since it uses as much as digits as its factorization.

40373867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 40373867 is about 6354.0433583664. The cubic root of 40373867 is about 343.0573927824.

The spelling of 40373867 in words is "forty million, three hundred seventy-three thousand, eight hundred sixty-seven".