74415668 has 12 divisors (see below), whose sum is σ = 132062112. Its totient is φ = 36683640.

The previous prime is 74415667. The next prime is 74415673. The reversal of 74415668 is 86651447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74415661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130730 + ... + 131297.

It is an arithmetic number, because the mean of its divisors is an integer number (11005176).

Almost surely, 2^74415668 is an apocalyptic number.

It is an amenable number.

74415668 is a deficient number, since it is larger than the sum of its proper divisors (57646444).

74415668 is a wasteful number, since it uses less digits than its factorization.

74415668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262102 (or 262100 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 74415668 is about 8626.4516459550. The cubic root of 74415668 is about 420.6182655438.

The spelling of 74415668 in words is "seventy-four million, four hundred fifteen thousand, six hundred sixty-eight".