74611140 has 48 divisors (see below), whose sum is σ = 210956928. Its totient is φ = 19701504.

The previous prime is 74611111. The next prime is 74611151. The reversal of 74611140 is 4111647.

It is a self number, because there is not a number n which added to its sum of digits gives 74611140.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 144 + ... + 12216.

It is an arithmetic number, because the mean of its divisors is an integer number (4394936).

Almost surely, 2^74611140 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 74611140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105478464).

74611140 is an abundant number, since it is smaller than the sum of its proper divisors (136345788).

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

74611140 is a wasteful number, since it uses less digits than its factorization.

74611140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12188 (or 12186 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 74611140 is about 8637.7740188083. The cubic root of 74611140 is about 420.9862311026.

Adding to 74611140 its reverse (4111647), we get a palindrome (78722787).

The spelling of 74611140 in words is "seventy-four million, six hundred eleven thousand, one hundred forty".