74065406 has 8 divisors (see below), whose sum is σ = 111163104. Its totient is φ = 37011040.

The previous prime is 74065399. The next prime is 74065429. The reversal of 74065406 is 60456047.

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

It is a congruent number.

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, 6155 + ... + 13638.

It is an arithmetic number, because the mean of its divisors is an integer number (13895388).

Almost surely, 2^74065406 is an apocalyptic number.

74065406 is a deficient number, since it is larger than the sum of its proper divisors (37097698).

74065406 is a wasteful number, since it uses less digits than its factorization.

74065406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21666.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 74065406 is about 8606.1260739081. The cubic root of 74065406 is about 419.9573010258.

The spelling of 74065406 in words is "seventy-four million, sixty-five thousand, four hundred six".