74427066 has 128 divisors (see below), whose sum is σ = 204441600. Its totient is φ = 19595520.

The previous prime is 74427043. The next prime is 74427083. The reversal of 74427066 is 66072447.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 74427066.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 308706 + ... + 308946.

It is an arithmetic number, because the mean of its divisors is an integer number (1597200).

Almost surely, 2^74427066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74427066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102220800).

74427066 is an abundant number, since it is smaller than the sum of its proper divisors (130014534).

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

74427066 is a wasteful number, since it uses less digits than its factorization.

74427066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 74427066 is about 8627.1122630924. The cubic root of 74427066 is about 420.6397393471.

The spelling of 74427066 in words is "seventy-four million, four hundred twenty-seven thousand, sixty-six".