74326331 has 2 divisors, whose sum is σ = 74326332. Its totient is φ = 74326330.

The previous prime is 74326321. The next prime is 74326393. The reversal of 74326331 is 13362347.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74326331 - 2⁶ = 74326267 is a prime.

It is a super-2 number, since 2×74326331² = 11048806959843122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 74326294 and 74326303.

It is not a weakly prime, because it can be changed into another prime (74326321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37163165 + 37163166.

It is an arithmetic number, because the mean of its divisors is an integer number (37163166).

Almost surely, 2^74326331 is an apocalyptic number.

74326331 is a deficient number, since it is larger than the sum of its proper divisors (1).

74326331 is an equidigital number, since it uses as much as digits as its factorization.

74326331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 29.

The square root of 74326331 is about 8621.2720059165. The cubic root of 74326331 is about 420.4498788668.

Adding to 74326331 its reverse (13362347), we get a palindrome (87688678).

The spelling of 74326331 in words is "seventy-four million, three hundred twenty-six thousand, three hundred thirty-one".