74108887 has 2 divisors, whose sum is σ = 74108888. Its totient is φ = 74108886.

The previous prime is 74108869. The next prime is 74108953. The reversal of 74108887 is 78880147.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74108887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74108687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37054443 + 37054444.

It is an arithmetic number, because the mean of its divisors is an integer number (37054444).

Almost surely, 2^74108887 is an apocalyptic number.

74108887 is a deficient number, since it is larger than the sum of its proper divisors (1).

74108887 is an equidigital number, since it uses as much as digits as its factorization.

74108887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100352, while the sum is 43.

The square root of 74108887 is about 8608.6518689049. The cubic root of 74108887 is about 420.0394653014.

The spelling of 74108887 in words is "seventy-four million, one hundred eight thousand, eight hundred eighty-seven".