74134663 has 4 divisors (see below), whose sum is σ = 74178160. Its totient is φ = 74091168.

The previous prime is 74134661. The next prime is 74134679. The reversal of 74134663 is 36643147.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74134663 - 2¹ = 74134661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74134661) 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 in 3 ways as a sum of consecutive naturals, for example, 19083 + ... + 22636.

It is an arithmetic number, because the mean of its divisors is an integer number (18544540).

Almost surely, 2^74134663 is an apocalyptic number.

74134663 is a deficient number, since it is larger than the sum of its proper divisors (43497).

74134663 is a wasteful number, since it uses less digits than its factorization.

74134663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43496.

The product of its digits is 36288, while the sum is 34.

The square root of 74134663 is about 8610.1488372734. The cubic root of 74134663 is about 420.0881579872.

The spelling of 74134663 in words is "seventy-four million, one hundred thirty-four thousand, six hundred sixty-three".