74688074 has 4 divisors (see below), whose sum is σ = 112032114. Its totient is φ = 37344036.

The previous prime is 74688071. The next prime is 74688091. The reversal of 74688074 is 47088647.

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

It can be written as a sum of positive squares in only one way, i.e., 64080025 + 10608049 = 8005^2 + 3257^2 .

It is not an unprimeable number, because it can be changed into a prime (74688071) 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, 18672017 + ... + 18672020.

Almost surely, 2^74688074 is an apocalyptic number.

74688074 is a deficient number, since it is larger than the sum of its proper divisors (37344040).

74688074 is a wasteful number, since it uses less digits than its factorization.

74688074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37344039.

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 74688074 is about 8642.2262178214. The cubic root of 74688074 is about 421.1308789792.

The spelling of 74688074 in words is "seventy-four million, six hundred eighty-eight thousand, seventy-four".