74734378 has 8 divisors (see below), whose sum is σ = 112281120. Its totient is φ = 37307340.

The previous prime is 74734369. The next prime is 74734381. The reversal of 74734378 is 87343747.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 28348 + ... + 30871.

It is an arithmetic number, because the mean of its divisors is an integer number (14035140).

Almost surely, 2^74734378 is an apocalyptic number.

74734378 is a deficient number, since it is larger than the sum of its proper divisors (37546742).

74734378 is a wasteful number, since it uses less digits than its factorization.

74734378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59852.

The product of its digits is 395136, while the sum is 43.

The square root of 74734378 is about 8644.9047421010. The cubic root of 74734378 is about 421.2178898176.

The spelling of 74734378 in words is "seventy-four million, seven hundred thirty-four thousand, three hundred seventy-eight".