75089478 has 16 divisors (see below), whose sum is σ = 151867440. Its totient is φ = 24748416.

The previous prime is 75089461. The next prime is 75089507. The reversal of 75089478 is 87498057.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69775 + ... + 70842.

It is an arithmetic number, because the mean of its divisors is an integer number (9491715).

Almost surely, 2^75089478 is an apocalyptic number.

75089478 is an abundant number, since it is smaller than the sum of its proper divisors (76777962).

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

75089478 is a wasteful number, since it uses less digits than its factorization.

75089478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140711.

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 75089478 is about 8665.4185126859. The cubic root of 75089478 is about 421.8839741520.

The spelling of 75089478 in words is "seventy-five million, eighty-nine thousand, four hundred seventy-eight".