74734663 has 2 divisors, whose sum is σ = 74734664. Its totient is φ = 74734662.

The previous prime is 74734661. The next prime is 74734687. The reversal of 74734663 is 36643747.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74734663 - 2¹ = 74734661 is a prime.

Together with 74734661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74734661) 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, 37367331 + 37367332.

It is an arithmetic number, because the mean of its divisors is an integer number (37367332).

Almost surely, 2^74734663 is an apocalyptic number.

74734663 is a deficient number, since it is larger than the sum of its proper divisors (1).

74734663 is an equidigital number, since it uses as much as digits as its factorization.

74734663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 40.

The square root of 74734663 is about 8644.9212257834. The cubic root of 74734663 is about 421.2184252559.

The spelling of 74734663 in words is "seventy-four million, seven hundred thirty-four thousand, six hundred sixty-three".