75302980 has 12 divisors (see below), whose sum is σ = 158136300. Its totient is φ = 30121184.

The previous prime is 75302963. The next prime is 75303001. The reversal of 75302980 is 8920357.

It can be written as a sum of positive squares in 2 ways, for example, as 12068676 + 63234304 = 3474^2 + 7952^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1882555 + ... + 1882594.

It is an arithmetic number, because the mean of its divisors is an integer number (13178025).

Almost surely, 2^75302980 is an apocalyptic number.

It is an amenable number.

75302980 is an abundant number, since it is smaller than the sum of its proper divisors (82833320).

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

75302980 is a wasteful number, since it uses less digits than its factorization.

75302980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3765158 (or 3765156 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 75302980 is about 8677.7289655762. The cubic root of 75302980 is about 422.2834435182.

The spelling of 75302980 in words is "seventy-five million, three hundred two thousand, nine hundred eighty".