74066688 has 216 divisors, whose sum is σ = 237234816. Its totient is φ = 22118400.

The previous prime is 74066669. The next prime is 74066701. The reversal of 74066688 is 88666047.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1214178 + ... + 1214238.

Almost surely, 2^74066688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74066688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118617408).

74066688 is an abundant number, since it is smaller than the sum of its proper divisors (163168128).

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

74066688 is a wasteful number, since it uses less digits than its factorization.

74066688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 74066688 is about 8606.2005554135. The cubic root of 74066688 is about 419.9597240290.

The spelling of 74066688 in words is "seventy-four million, sixty-six thousand, six hundred eighty-eight".