74040449064887 has 2 divisors, whose sum is σ = 74040449064888. Its totient is φ = 74040449064886.

The previous prime is 74040449064877. The next prime is 74040449064931. The reversal of 74040449064887 is 78846094404047.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74040449064887 - 2³⁰ = 74039375323063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74040449064877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37020224532443 + 37020224532444.

It is an arithmetic number, because the mean of its divisors is an integer number (37020224532444).

Almost surely, 2^{74040449064887} is an apocalyptic number.

74040449064887 is a deficient number, since it is larger than the sum of its proper divisors (1).

74040449064887 is an equidigital number, since it uses as much as digits as its factorization.

74040449064887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 173408256, while the sum is 65.

The spelling of 74040449064887 in words is "seventy-four trillion, forty billion, four hundred forty-nine million, sixty-four thousand, eight hundred eighty-seven".