74384406 has 40 divisors (see below), whose sum is σ = 167258784. Its totient is φ = 24708240.

The previous prime is 74384371. The next prime is 74384413. The reversal of 74384406 is 60448347.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59811 + ... + 61041.

Almost surely, 2^74384406 is an apocalyptic number.

74384406 is an abundant number, since it is smaller than the sum of its proper divisors (92874378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74384406 is a wasteful number, since it uses less digits than its factorization.

74384406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618 (or 1609 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 74384406 is about 8624.6394707257. The cubic root of 74384406 is about 420.5593567578.

The spelling of 74384406 in words is "seventy-four million, three hundred eighty-four thousand, four hundred six".