74241666 has 48 divisors (see below), whose sum is σ = 164514168. Its totient is φ = 24192000.

The previous prime is 74241659. The next prime is 74241667. The reversal of 74241666 is 66614247.

It can be written as a sum of positive squares in 4 ways, for example, as 58201641 + 16040025 = 7629^2 + 4005^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 74241666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74241667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176136 + ... + 176556.

Almost surely, 2^74241666 is an apocalyptic number.

74241666 is an abundant number, since it is smaller than the sum of its proper divisors (90272502).

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

74241666 is a wasteful number, since it uses less digits than its factorization.

74241666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 624 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 74241666 is about 8616.3603685083. The cubic root of 74241666 is about 420.2901736256.

The spelling of 74241666 in words is "seventy-four million, two hundred forty-one thousand, six hundred sixty-six".