74327568 has 80 divisors (see below), whose sum is σ = 220997760. Its totient is φ = 21086208.

The previous prime is 74327567. The next prime is 74327573. The reversal of 74327568 is 86572347.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (74327567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52048 + ... + 53456.

It is an arithmetic number, because the mean of its divisors is an integer number (2762472).

Almost surely, 2^74327568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74327568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110498880).

74327568 is an abundant number, since it is smaller than the sum of its proper divisors (146670192).

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

74327568 is a wasteful number, since it uses less digits than its factorization.

74327568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584 (or 1578 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 74327568 is about 8621.3437467717. The cubic root of 74327568 is about 420.4522113449.

The spelling of 74327568 in words is "seventy-four million, three hundred twenty-seven thousand, five hundred sixty-eight".