75334140 has 144 divisors (see below), whose sum is σ = 276599232. Its totient is φ = 16201728.

The previous prime is 75334121. The next prime is 75334169. The reversal of 75334140 is 4143357.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19662 + ... + 23178.

It is an arithmetic number, because the mean of its divisors is an integer number (1920828).

Almost surely, 2^75334140 is an apocalyptic number.

75334140 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75334140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138299616).

75334140 is an abundant number, since it is smaller than the sum of its proper divisors (201265092).

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

75334140 is a wasteful number, since it uses less digits than its factorization.

75334140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3556 (or 3551 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 75334140 is about 8679.5241805067. The cubic root of 75334140 is about 422.3416817516.

Adding to 75334140 its reverse (4143357), we get a palindrome (79477497).

The spelling of 75334140 in words is "seventy-five million, three hundred thirty-four thousand, one hundred forty".