74261568 has 56 divisors (see below), whose sum is σ = 197144640. Its totient is φ = 24670720.

The previous prime is 74261567. The next prime is 74261581. The reversal of 74261568 is 86516247.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (74261567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88093 + ... + 88931.

It is an arithmetic number, because the mean of its divisors is an integer number (3520440).

Almost surely, 2^74261568 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 74261568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98572320).

74261568 is an abundant number, since it is smaller than the sum of its proper divisors (122883072).

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

74261568 is a wasteful number, since it uses less digits than its factorization.

74261568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315 (or 1305 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 74261568 is about 8617.5151871059. The cubic root of 74261568 is about 420.3277260682.

The spelling of 74261568 in words is "seventy-four million, two hundred sixty-one thousand, five hundred sixty-eight".