74274220211 has 4 divisors (see below), whose sum is σ = 74277409800. Its totient is φ = 74271030624.

The previous prime is 74274220199. The next prime is 74274220249. The reversal of 74274220211 is 11202247247.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74274220211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74274220271) 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 3 ways as a sum of consecutive naturals, for example, 1559606 + ... + 1606523.

It is an arithmetic number, because the mean of its divisors is an integer number (18569352450).

Almost surely, 2^74274220211 is an apocalyptic number.

74274220211 is a deficient number, since it is larger than the sum of its proper divisors (3189589).

74274220211 is a wasteful number, since it uses less digits than its factorization.

74274220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3189588.

The product of its (nonzero) digits is 12544, while the sum is 32.

Adding to 74274220211 its reverse (11202247247), we get a palindrome (85476467458).

The spelling of 74274220211 in words is "seventy-four billion, two hundred seventy-four million, two hundred twenty thousand, two hundred eleven".