74334641 has 2 divisors, whose sum is σ = 74334642. Its totient is φ = 74334640.

The previous prime is 74334629. The next prime is 74334647. The reversal of 74334641 is 14643347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60902416 + 13432225 = 7804^2 + 3665^2 .

It is a cyclic number.

It is not a de Polignac number, because 74334641 - 2⁶ = 74334577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74334598 and 74334607.

It is not a weakly prime, because it can be changed into another prime (74334647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37167320 + 37167321.

It is an arithmetic number, because the mean of its divisors is an integer number (37167321).

Almost surely, 2^74334641 is an apocalyptic number.

It is an amenable number.

74334641 is a deficient number, since it is larger than the sum of its proper divisors (1).

74334641 is an equidigital number, since it uses as much as digits as its factorization.

74334641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 32.

The square root of 74334641 is about 8621.7539398895. The cubic root of 74334641 is about 420.4655476445.

Adding to 74334641 its reverse (14643347), we get a palindrome (88977988).

The spelling of 74334641 in words is "seventy-four million, three hundred thirty-four thousand, six hundred forty-one".