75813140 has 48 divisors (see below), whose sum is σ = 173671680. Its totient is φ = 27630720.

The previous prime is 75813139. The next prime is 75813167. The reversal of 75813140 is 4131857.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18695 + ... + 22385.

It is an arithmetic number, because the mean of its divisors is an integer number (3618160).

Almost surely, 2^75813140 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 75813140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86835840).

75813140 is an abundant number, since it is smaller than the sum of its proper divisors (97858540).

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

75813140 is a wasteful number, since it uses less digits than its factorization.

75813140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792 (or 3790 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 75813140 is about 8707.0741354372. The cubic root of 75813140 is about 423.2349217719.

Adding to 75813140 its reverse (4131857), we get a palindrome (79944997).

The spelling of 75813140 in words is "seventy-five million, eight hundred thirteen thousand, one hundred forty".