74038906 has 16 divisors (see below), whose sum is σ = 112442400. Its totient is φ = 36561168.

The previous prime is 74038903. The next prime is 74038957. The reversal of 74038906 is 60983047.

It is not an unprimeable number, because it can be changed into a prime (74038901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63081 + ... + 64243.

It is an arithmetic number, because the mean of its divisors is an integer number (7027650).

Almost surely, 2^74038906 is an apocalyptic number.

74038906 is a deficient number, since it is larger than the sum of its proper divisors (38403494).

74038906 is a wasteful number, since it uses less digits than its factorization.

74038906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 74038906 is about 8604.5863352052. The cubic root of 74038906 is about 419.9072092820.

The spelling of 74038906 in words is "seventy-four million, thirty-eight thousand, nine hundred six".