74152222217 has 2 divisors, whose sum is σ = 74152222218. Its totient is φ = 74152222216.

The previous prime is 74152222211. The next prime is 74152222231. The reversal of 74152222217 is 71222225147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40039609801 + 34112612416 = 200099^2 + 184696^2 .

It is a cyclic number.

It is not a de Polignac number, because 74152222217 - 2⁶ = 74152222153 is a prime.

It is not a weakly prime, because it can be changed into another prime (74152222211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37076111108 + 37076111109.

It is an arithmetic number, because the mean of its divisors is an integer number (37076111109).

Almost surely, 2^74152222217 is an apocalyptic number.

It is an amenable number.

74152222217 is a deficient number, since it is larger than the sum of its proper divisors (1).

74152222217 is an equidigital number, since it uses as much as digits as its factorization.

74152222217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31360, while the sum is 35.

The spelling of 74152222217 in words is "seventy-four billion, one hundred fifty-two million, two hundred twenty-two thousand, two hundred seventeen".