75480880 has 20 divisors (see below), whose sum is σ = 175493232. Its totient is φ = 30192320.

The previous prime is 75480869. The next prime is 75480893. The reversal of 75480880 is 8808457.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471676 + ... + 471835.

Almost surely, 2^75480880 is an apocalyptic number.

It is an amenable number.

75480880 is an abundant number, since it is smaller than the sum of its proper divisors (100012352).

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

75480880 is a wasteful number, since it uses less digits than its factorization.

75480880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943524 (or 943518 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 75480880 is about 8687.9732964599. The cubic root of 75480880 is about 422.6157240508.

The spelling of 75480880 in words is "seventy-five million, four hundred eighty thousand, eight hundred eighty".