74579968 has 36 divisors (see below), whose sum is σ = 149421510. Its totient is φ = 37224448.

The previous prime is 74579951. The next prime is 74579971. The reversal of 74579968 is 86997547.

It can be written as a sum of positive squares in only one way, i.e., 71368704 + 3211264 = 8448^2 + 1792^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130788 + ... + 131356.

Almost surely, 2^74579968 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 74579968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74710755).

74579968 is an abundant number, since it is smaller than the sum of its proper divisors (74841542).

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

74579968 is an frugal number, since it uses more digits than its factorization.

74579968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603 (or 571 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 55.

The square root of 74579968 is about 8635.9694302377. The cubic root of 74579968 is about 420.9275945916.

The spelling of 74579968 in words is "seventy-four million, five hundred seventy-nine thousand, nine hundred sixty-eight".