74134723 has 6 divisors (see below), whose sum is σ = 80276244. Its totient is φ = 68431896.

The previous prime is 74134699. The next prime is 74134747. The reversal of 74134723 is 32743147.

It is an interprime number because it is at equal distance from previous prime (74134699) and next prime (74134747).

It is not a de Polignac number, because 74134723 - 2⁹ = 74134211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74134223) 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 5 ways as a sum of consecutive naturals, for example, 219165 + ... + 219502.

It is an arithmetic number, because the mean of its divisors is an integer number (13379374).

Almost surely, 2^74134723 is an apocalyptic number.

74134723 is a deficient number, since it is larger than the sum of its proper divisors (6141521).

74134723 is a wasteful number, since it uses less digits than its factorization.

74134723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438693 (or 438680 counting only the distinct ones).

The product of its digits is 14112, while the sum is 31.

The square root of 74134723 is about 8610.1523215330. The cubic root of 74134723 is about 420.0882713182.

The spelling of 74134723 in words is "seventy-four million, one hundred thirty-four thousand, seven hundred twenty-three".