74067066734197 has 2 divisors, whose sum is σ = 74067066734198. Its totient is φ = 74067066734196.

The previous prime is 74067066734131. The next prime is 74067066734261. The reversal of 74067066734197 is 79143766076047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39693540678961 + 34373526055236 = 6300281^2 + 5862894^2 .

It is a cyclic number.

It is not a de Polignac number, because 74067066734197 - 2⁷ = 74067066734069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74067066734117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37033533367098 + 37033533367099.

It is an arithmetic number, because the mean of its divisors is an integer number (37033533367099).

Almost surely, 2^{74067066734197} is an apocalyptic number.

It is an amenable number.

74067066734197 is a deficient number, since it is larger than the sum of its proper divisors (1).

74067066734197 is an equidigital number, since it uses as much as digits as its factorization.

74067066734197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224042112, while the sum is 67.

The spelling of 74067066734197 in words is "seventy-four trillion, sixty-seven billion, sixty-six million, seven hundred thirty-four thousand, one hundred ninety-seven".