74480512313 has 2 divisors, whose sum is σ = 74480512314. Its totient is φ = 74480512312.

The previous prime is 74480512277. The next prime is 74480512331. The reversal of 74480512313 is 31321508447.

Together with next prime (74480512331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40123294864 + 34357217449 = 200308^2 + 185357^2 .

It is a cyclic number.

It is not a de Polignac number, because 74480512313 - 2¹⁰ = 74480511289 is a prime.

It is not a weakly prime, because it can be changed into another prime (74480512913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37240256156 + 37240256157.

It is an arithmetic number, because the mean of its divisors is an integer number (37240256157).

Almost surely, 2^74480512313 is an apocalyptic number.

It is an amenable number.

74480512313 is a deficient number, since it is larger than the sum of its proper divisors (1).

74480512313 is an equidigital number, since it uses as much as digits as its factorization.

74480512313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 74480512313 in words is "seventy-four billion, four hundred eighty million, five hundred twelve thousand, three hundred thirteen".