71479478 has 16 divisors (see below), whose sum is σ = 122750880. Its totient is φ = 30580416.

The previous prime is 71479477. The next prime is 71479481. The reversal of 71479478 is 87497417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71479477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4418 + ... + 12746.

It is an arithmetic number, because the mean of its divisors is an integer number (7671930).

Almost surely, 2^71479478 is an apocalyptic number.

71479478 is a deficient number, since it is larger than the sum of its proper divisors (51271402).

71479478 is a wasteful number, since it uses less digits than its factorization.

71479478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8951.

The product of its digits is 395136, while the sum is 47.

The square root of 71479478 is about 8454.5536842580. The cubic root of 71479478 is about 415.0118117314.

The spelling of 71479478 in words is "seventy-one million, four hundred seventy-nine thousand, four hundred seventy-eight".