74409814 has 16 divisors (see below), whose sum is σ = 117658800. Its totient is φ = 35195904.

The previous prime is 74409787. The next prime is 74409847. The reversal of 74409814 is 41890447.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45442 + ... + 47050.

It is an arithmetic number, because the mean of its divisors is an integer number (7353675).

Almost surely, 2^74409814 is an apocalyptic number.

74409814 is a deficient number, since it is larger than the sum of its proper divisors (43248986).

74409814 is a wasteful number, since it uses less digits than its factorization.

74409814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 74409814 is about 8626.1123340703. The cubic root of 74409814 is about 420.6072357703.

The spelling of 74409814 in words is "seventy-four million, four hundred nine thousand, eight hundred fourteen".