75071478 has 16 divisors (see below), whose sum is σ = 151326720. Its totient is φ = 24826536.

The previous prime is 75071449. The next prime is 75071497. The reversal of 75071478 is 87417057.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48498 + ... + 50021.

It is an arithmetic number, because the mean of its divisors is an integer number (9457920).

Almost surely, 2^75071478 is an apocalyptic number.

75071478 is an abundant number, since it is smaller than the sum of its proper divisors (76255242).

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

75071478 is a wasteful number, since it uses less digits than its factorization.

75071478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98651.

The product of its (nonzero) digits is 54880, while the sum is 39.

The square root of 75071478 is about 8664.3798393191. The cubic root of 75071478 is about 421.8502609581.

The spelling of 75071478 in words is "seventy-five million, seventy-one thousand, four hundred seventy-eight".