71263560 has 32 divisors (see below), whose sum is σ = 213791040. Its totient is φ = 19003584.

The previous prime is 71263553. The next prime is 71263579. The reversal of 71263560 is 6536217.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 296812 + ... + 297051.

It is an arithmetic number, because the mean of its divisors is an integer number (6680970).

Almost surely, 2^71263560 is an apocalyptic number.

It is an amenable number.

71263560 is an abundant number, since it is smaller than the sum of its proper divisors (142527480).

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

71263560 is a wasteful number, since it uses less digits than its factorization.

71263560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593877 (or 593873 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 71263560 is about 8441.7746949323. The cubic root of 71263560 is about 414.5935149867.

Adding to 71263560 its reverse (6536217), we get a palindrome (77799777).

The spelling of 71263560 in words is "seventy-one million, two hundred sixty-three thousand, five hundred sixty".