74067666 has 32 divisors (see below), whose sum is σ = 150087168. Its totient is φ = 24366720.

The previous prime is 74067661. The next prime is 74067667. The reversal of 74067666 is 66676047.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74067661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263446 + ... + 263726.

It is an arithmetic number, because the mean of its divisors is an integer number (4690224).

Almost surely, 2^74067666 is an apocalyptic number.

74067666 is an abundant number, since it is smaller than the sum of its proper divisors (76019502).

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

74067666 is a wasteful number, since it uses less digits than its factorization.

74067666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706.

The product of its (nonzero) digits is 254016, while the sum is 42.

The square root of 74067666 is about 8606.2573747245. The cubic root of 74067666 is about 419.9615724479.

The spelling of 74067666 in words is "seventy-four million, sixty-seven thousand, six hundred sixty-six".