74022288561 has 32 divisors (see below), whose sum is σ = 122170608000. Its totient is φ = 43981406784.

The previous prime is 74022288547. The next prime is 74022288563. The reversal of 74022288561 is 16588222047.

74022288561 is a `hidden beast` number, since 7 + 4 + 0 + 2 + 2 + 2 + 88 + 561 = 666.

It is not a de Polignac number, because 74022288561 - 2⁶ = 74022288497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74022288563) 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 31 ways as a sum of consecutive naturals, for example, 3625851 + ... + 3646208.

It is an arithmetic number, because the mean of its divisors is an integer number (3817831500).

Almost surely, 2^74022288561 is an apocalyptic number.

It is an amenable number.

74022288561 is a deficient number, since it is larger than the sum of its proper divisors (48148319439).

74022288561 is a wasteful number, since it uses less digits than its factorization.

74022288561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7272110 (or 7272104 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 74022288561 in words is "seventy-four billion, twenty-two million, two hundred eighty-eight thousand, five hundred sixty-one".