75912980 has 144 divisors (see below), whose sum is σ = 200202240. Its totient is φ = 23950080.

The previous prime is 75912979. The next prime is 75912997. The reversal of 75912980 is 8921957.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 597677 + ... + 597803.

Almost surely, 2^75912980 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 75912980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100101120).

75912980 is an abundant number, since it is smaller than the sum of its proper divisors (124289260).

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

75912980 is a wasteful number, since it uses less digits than its factorization.

75912980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 75912980 is about 8712.8055183161. The cubic root of 75912980 is about 423.4206294164.

The spelling of 75912980 in words is "seventy-five million, nine hundred twelve thousand, nine hundred eighty".