74100217 has 2 divisors, whose sum is σ = 74100218. Its totient is φ = 74100216.

The previous prime is 74100203. The next prime is 74100239. The reversal of 74100217 is 71200147.

It is an a-pointer prime, because the next prime (74100239) can be obtained adding 74100217 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70963776 + 3136441 = 8424^2 + 1771^2 .

It is a cyclic number.

It is not a de Polignac number, because 74100217 - 2¹¹ = 74098169 is a prime.

It is a super-3 number, since 3×74100217³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74100617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37050108 + 37050109.

It is an arithmetic number, because the mean of its divisors is an integer number (37050109).

Almost surely, 2^74100217 is an apocalyptic number.

It is an amenable number.

74100217 is a deficient number, since it is larger than the sum of its proper divisors (1).

74100217 is an equidigital number, since it uses as much as digits as its factorization.

74100217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 74100217 is about 8608.1482910089. The cubic root of 74100217 is about 420.0230845211.

The spelling of 74100217 in words is "seventy-four million, one hundred thousand, two hundred seventeen".