74511668 has 24 divisors (see below), whose sum is σ = 162571584. Its totient is φ = 29030400.

The previous prime is 74511667. The next prime is 74511677. The reversal of 74511668 is 86611547.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74511667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120653 + ... + 121268.

It is an arithmetic number, because the mean of its divisors is an integer number (6773816).

Almost surely, 2^74511668 is an apocalyptic number.

It is an amenable number.

74511668 is an abundant number, since it is smaller than the sum of its proper divisors (88059916).

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

74511668 is a wasteful number, since it uses less digits than its factorization.

74511668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241943 (or 241941 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The square root of 74511668 is about 8632.0141334453. The cubic root of 74511668 is about 420.7990608127.

It can be divided in two parts, 7451 and 1668, that added together give a palindrome (9119).

The spelling of 74511668 in words is "seventy-four million, five hundred eleven thousand, six hundred sixty-eight".