74733280335121 has 4 divisors (see below), whose sum is σ = 74733389801200. Its totient is φ = 74733170869044.

The previous prime is 74733280335073. The next prime is 74733280335179. The reversal of 74733280335121 is 12153308233747.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74733280335121 - 2¹⁵ = 74733280302353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74733280135121) 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 3 ways as a sum of consecutive naturals, for example, 53702511 + ... + 55076548.

It is an arithmetic number, because the mean of its divisors is an integer number (18683347450300).

Almost surely, 2^{74733280335121} is an apocalyptic number.

It is an amenable number.

74733280335121 is a deficient number, since it is larger than the sum of its proper divisors (109466079).

74733280335121 is a wasteful number, since it uses less digits than its factorization.

74733280335121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109466078.

The product of its (nonzero) digits is 2540160, while the sum is 49.

Adding to 74733280335121 its reverse (12153308233747), we get a palindrome (86886588568868).

The spelling of 74733280335121 in words is "seventy-four trillion, seven hundred thirty-three billion, two hundred eighty million, three hundred thirty-five thousand, one hundred twenty-one".