74384942 has 8 divisors (see below), whose sum is σ = 115425000. Its totient is φ = 35909944.

The previous prime is 74384939. The next prime is 74384951. The reversal of 74384942 is 24948347.

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

It is a self number, because there is not a number n which added to its sum of digits gives 74384942.

It is a congruent number.

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, 641192 + ... + 641307.

It is an arithmetic number, because the mean of its divisors is an integer number (14428125).

Almost surely, 2^74384942 is an apocalyptic number.

74384942 is a deficient number, since it is larger than the sum of its proper divisors (41040058).

74384942 is a wasteful number, since it uses less digits than its factorization.

74384942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282530.

The product of its digits is 193536, while the sum is 41.

The square root of 74384942 is about 8624.6705444324. The cubic root of 74384942 is about 420.5603669125.

The spelling of 74384942 in words is "seventy-four million, three hundred eighty-four thousand, nine hundred forty-two".