71055478 has 32 divisors (see below), whose sum is σ = 127945440. Its totient is φ = 29237760.

The previous prime is 71055469. The next prime is 71055511. The reversal of 71055478 is 87455017.

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 15 ways as a sum of consecutive naturals, for example, 4168 + ... + 12628.

It is an arithmetic number, because the mean of its divisors is an integer number (3998295).

Almost surely, 2^71055478 is an apocalyptic number.

71055478 is a deficient number, since it is larger than the sum of its proper divisors (56889962).

71055478 is a wasteful number, since it uses less digits than its factorization.

71055478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8512.

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 71055478 is about 8429.4411439905. The cubic root of 71055478 is about 414.1895986414.

The spelling of 71055478 in words is "seventy-one million, fifty-five thousand, four hundred seventy-eight".