74343568 has 20 divisors (see below), whose sum is σ = 155121148. Its totient is φ = 34312320.

The previous prime is 74343553. The next prime is 74343571. The reversal of 74343568 is 86534347.

It can be written as a sum of positive squares in 2 ways, for example, as 16096144 + 58247424 = 4012^2 + 7632^2 .

It is a super-2 number, since 2×74343568² = 11053932205941248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74343568.

It is an unprimeable number.

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, 178503 + ... + 178918.

Almost surely, 2^74343568 is an apocalyptic number.

It is an amenable number.

74343568 is an abundant number, since it is smaller than the sum of its proper divisors (80777580).

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

74343568 is a wasteful number, since it uses less digits than its factorization.

74343568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357442 (or 357436 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The square root of 74343568 is about 8622.2716264335. The cubic root of 74343568 is about 420.4823784951.

The spelling of 74343568 in words is "seventy-four million, three hundred forty-three thousand, five hundred sixty-eight".