74482747 has 2 divisors, whose sum is σ = 74482748. Its totient is φ = 74482746.

The previous prime is 74482741. The next prime is 74482757. The reversal of 74482747 is 74728447.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74482747 - 2⁷ = 74482619 is a prime.

It is not a weakly prime, because it can be changed into another prime (74482741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37241373 + 37241374.

It is an arithmetic number, because the mean of its divisors is an integer number (37241374).

Almost surely, 2^74482747 is an apocalyptic number.

74482747 is a deficient number, since it is larger than the sum of its proper divisors (1).

74482747 is an equidigital number, since it uses as much as digits as its factorization.

74482747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 351232, while the sum is 43.

The square root of 74482747 is about 8630.3387534905. The cubic root of 74482747 is about 420.7446107073.

The spelling of 74482747 in words is "seventy-four million, four hundred eighty-two thousand, seven hundred forty-seven".