74680747413329 has 2 divisors, whose sum is σ = 74680747413330. Its totient is φ = 74680747413328.

The previous prime is 74680747413319. The next prime is 74680747413341. The reversal of 74680747413329 is 92331474708647.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49331687417104 + 25349059996225 = 7023652^2 + 5034785^2 .

It is a cyclic number.

It is not a de Polignac number, because 74680747413329 - 2²⁸ = 74680478977873 is a prime.

It is a super-2 number, since 2×74680747413329² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74680747413319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37340373706664 + 37340373706665.

It is an arithmetic number, because the mean of its divisors is an integer number (37340373706665).

Almost surely, 2^{74680747413329} is an apocalyptic number.

It is an amenable number.

74680747413329 is a deficient number, since it is larger than the sum of its proper divisors (1).

74680747413329 is an equidigital number, since it uses as much as digits as its factorization.

74680747413329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170698752, while the sum is 65.

The spelling of 74680747413329 in words is "seventy-four trillion, six hundred eighty billion, seven hundred forty-seven million, four hundred thirteen thousand, three hundred twenty-nine".