74477241161 has 4 divisors (see below), whose sum is σ = 74478210432. Its totient is φ = 74476271892.

The previous prime is 74477241151. The next prime is 74477241169. The reversal of 74477241161 is 16114277447.

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 a de Polignac number, because none of the positive numbers 2^k-74477241161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74477241169) 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, 358421 + ... + 526706.

It is an arithmetic number, because the mean of its divisors is an integer number (18619552608).

Almost surely, 2^74477241161 is an apocalyptic number.

It is an amenable number.

74477241161 is a deficient number, since it is larger than the sum of its proper divisors (969271).

74477241161 is an equidigital number, since it uses as much as digits as its factorization.

74477241161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969270.

The product of its digits is 263424, while the sum is 44.

The spelling of 74477241161 in words is "seventy-four billion, four hundred seventy-seven million, two hundred forty-one thousand, one hundred sixty-one".