74009688 has 16 divisors (see below), whose sum is σ = 185024280. Its totient is φ = 24669888.

The previous prime is 74009651. The next prime is 74009707. The reversal of 74009688 is 88690047.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 1541845 + ... + 1541892.

Almost surely, 2^74009688 is an apocalyptic number.

It is an amenable number.

74009688 is an abundant number, since it is smaller than the sum of its proper divisors (111014592).

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

74009688 is a wasteful number, since it uses less digits than its factorization.

74009688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083746 (or 3083742 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 74009688 is about 8602.8883521757. Note that the first 3 decimals coincide. The cubic root of 74009688 is about 419.8519659704.

The spelling of 74009688 in words is "seventy-four million, nine thousand, six hundred eighty-eight".