74400146 has 8 divisors (see below), whose sum is σ = 113013120. Its totient is φ = 36729108.

The previous prime is 74400133. The next prime is 74400163. The reversal of 74400146 is 64100447.

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, 235286 + ... + 235601.

It is an arithmetic number, because the mean of its divisors is an integer number (14126640).

Almost surely, 2^74400146 is an apocalyptic number.

74400146 is a deficient number, since it is larger than the sum of its proper divisors (38612974).

74400146 is a wasteful number, since it uses less digits than its factorization.

74400146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470968.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 74400146 is about 8625.5519243698. The cubic root of 74400146 is about 420.5890186084.

The spelling of 74400146 in words is "seventy-four million, four hundred thousand, one hundred forty-six".