74020012783331 has 2 divisors, whose sum is σ = 74020012783332. Its totient is φ = 74020012783330.

The previous prime is 74020012783309. The next prime is 74020012783427. The reversal of 74020012783331 is 13338721002047.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74020012783331 - 2¹⁰ = 74020012782307 is a prime.

It is a super-2 number, since 2×74020012783331² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74020012783631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37010006391665 + 37010006391666.

It is an arithmetic number, because the mean of its divisors is an integer number (37010006391666).

Almost surely, 2^{74020012783331} is an apocalyptic number.

74020012783331 is a deficient number, since it is larger than the sum of its proper divisors (1).

74020012783331 is an equidigital number, since it uses as much as digits as its factorization.

74020012783331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 41.

Adding to 74020012783331 its reverse (13338721002047), we get a palindrome (87358733785378).

The spelling of 74020012783331 in words is "seventy-four trillion, twenty billion, twelve million, seven hundred eighty-three thousand, three hundred thirty-one".