74221477354539 has 48 divisors (see below), whose sum is σ = 110620100727552. Its totient is φ = 47919402909504.

The previous prime is 74221477354511. The next prime is 74221477354603. The reversal of 74221477354539 is 93545377412247.

74221477354539 is a `hidden beast` number, since 7 + 4 + 2 + 2 + 1 + 47 + 7 + 3 + 54 + 539 = 666.

It is not a de Polignac number, because 74221477354539 - 2¹⁹ = 74221476830251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74221477353539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83146032 + ... + 84033954.

It is an arithmetic number, because the mean of its divisors is an integer number (2304585431824).

Almost surely, 2^{74221477354539} is an apocalyptic number.

74221477354539 is a deficient number, since it is larger than the sum of its proper divisors (36398623373013).

74221477354539 is a wasteful number, since it uses less digits than its factorization.

74221477354539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889136 (or 889133 counting only the distinct ones).

The product of its digits is 177811200, while the sum is 63.

The spelling of 74221477354539 in words is "seventy-four trillion, two hundred twenty-one billion, four hundred seventy-seven million, three hundred fifty-four thousand, five hundred thirty-nine".