74395668 has 12 divisors (see below), whose sum is σ = 173589920. Its totient is φ = 24798552.

The previous prime is 74395667. The next prime is 74395669. The reversal of 74395668 is 86659347.

It is an interprime number because it is at equal distance from previous prime (74395667) and next prime (74395669).

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74395663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3099808 + ... + 3099831.

Almost surely, 2^74395668 is an apocalyptic number.

It is an amenable number.

74395668 is an abundant number, since it is smaller than the sum of its proper divisors (99194252).

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

74395668 is a wasteful number, since it uses less digits than its factorization.

74395668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6199646 (or 6199644 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The square root of 74395668 is about 8625.2923428716. The cubic root of 74395668 is about 420.5805802943.

The spelling of 74395668 in words is "seventy-four million, three hundred ninety-five thousand, six hundred sixty-eight".