74655878481 has 12 divisors (see below), whose sum is σ = 109445766352. Its totient is φ = 49027740696.

The previous prime is 74655878447. The next prime is 74655878551. The reversal of 74655878481 is 18487855647.

It is a happy number.

74655878481 is a `hidden beast` number, since 7 + 4 + 6 + 5 + 587 + 8 + 48 + 1 = 666.

It is not a de Polignac number, because 74655878481 - 2¹⁴ = 74655862097 is a prime.

It is a super-2 number, since 2×74655878481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74655874481) 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 in 11 ways as a sum of consecutive naturals, for example, 61903111 + ... + 61904316.

Almost surely, 2^74655878481 is an apocalyptic number.

It is an amenable number.

74655878481 is a deficient number, since it is larger than the sum of its proper divisors (34789887871).

74655878481 is a wasteful number, since it uses less digits than its factorization.

74655878481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123807500 (or 123807497 counting only the distinct ones).

The product of its digits is 60211200, while the sum is 63.

The spelling of 74655878481 in words is "seventy-four billion, six hundred fifty-five million, eight hundred seventy-eight thousand, four hundred eighty-one".