74123320241 has 4 divisors (see below), whose sum is σ = 74275524672. Its totient is φ = 73971115812.

The previous prime is 74123320237. The next prime is 74123320247. The reversal of 74123320241 is 14202332147.

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 74123320241 - 2² = 74123320237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74123320247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76101485 + ... + 76102458.

It is an arithmetic number, because the mean of its divisors is an integer number (18568881168).

Almost surely, 2^74123320241 is an apocalyptic number.

It is an amenable number.

74123320241 is a deficient number, since it is larger than the sum of its proper divisors (152204431).

74123320241 is a wasteful number, since it uses less digits than its factorization.

74123320241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152204430.

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 74123320241 its reverse (14202332147), we get a palindrome (88325652388).

The spelling of 74123320241 in words is "seventy-four billion, one hundred twenty-three million, three hundred twenty thousand, two hundred forty-one".