74312146 has 8 divisors (see below), whose sum is σ = 115064064. Its totient is φ = 35957460.

The previous prime is 74312129. The next prime is 74312159. The reversal of 74312146 is 64121347.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599230 + ... + 599353.

It is an arithmetic number, because the mean of its divisors is an integer number (14383008).

Almost surely, 2^74312146 is an apocalyptic number.

74312146 is a deficient number, since it is larger than the sum of its proper divisors (40751918).

74312146 is a wasteful number, since it uses less digits than its factorization.

74312146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198616.

The product of its digits is 4032, while the sum is 28.

The square root of 74312146 is about 8620.4492922353. The cubic root of 74312146 is about 420.4231298852.

The spelling of 74312146 in words is "seventy-four million, three hundred twelve thousand, one hundred forty-six".