74241774561 has 8 divisors (see below), whose sum is σ = 104198981920. Its totient is φ = 46889541792.

The previous prime is 74241774559. The next prime is 74241774569. The reversal of 74241774561 is 16547714247.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74241774561 - 2¹ = 74241774559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74241774561.

It is not an unprimeable number, because it can be changed into a prime (74241774569) 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 7 ways as a sum of consecutive naturals, for example, 651243580 + ... + 651243693.

It is an arithmetic number, because the mean of its divisors is an integer number (13024872740).

Almost surely, 2^74241774561 is an apocalyptic number.

It is an amenable number.

74241774561 is a deficient number, since it is larger than the sum of its proper divisors (29957207359).

74241774561 is a wasteful number, since it uses less digits than its factorization.

74241774561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302487295.

The product of its digits is 1317120, while the sum is 48.

The spelling of 74241774561 in words is "seventy-four billion, two hundred forty-one million, seven hundred seventy-four thousand, five hundred sixty-one".