74221400412247 has 6 divisors (see below), whose sum is σ = 81582200453264. Its totient is φ = 67474000374660.

The previous prime is 74221400412143. The next prime is 74221400412259.

74221400412247 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 74221400412247 - 2¹⁵ = 74221400379479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74221400412547) 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 5 ways as a sum of consecutive naturals, for example, 306700001583 + ... + 306700001824.

Almost surely, 2^{74221400412247} is an apocalyptic number.

74221400412247 is a deficient number, since it is larger than the sum of its proper divisors (7360800041017).

74221400412247 is a wasteful number, since it uses less digits than its factorization.

74221400412247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613400003429 (or 613400003418 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 40.

It can be divided in two parts, 74221400 and 412247, that added together give a palindrome (74633647).

The spelling of 74221400412247 in words is "seventy-four trillion, two hundred twenty-one billion, four hundred million, four hundred twelve thousand, two hundred forty-seven".