71905760 has 24 divisors (see below), whose sum is σ = 169877736. Its totient is φ = 28762240.

The previous prime is 71905753. The next prime is 71905777. The reversal of 71905760 is 6750917.

It is a self number, because there is not a number n which added to its sum of digits gives 71905760.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224546 + ... + 224865.

It is an arithmetic number, because the mean of its divisors is an integer number (7078239).

Almost surely, 2^71905760 is an apocalyptic number.

It is an amenable number.

71905760 is an abundant number, since it is smaller than the sum of its proper divisors (97971976).

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

71905760 is a wasteful number, since it uses less digits than its factorization.

71905760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449426 (or 449418 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 71905760 is about 8479.7264106809. The cubic root of 71905760 is about 415.8351787885.

The spelling of 71905760 in words is "seventy-one million, nine hundred five thousand, seven hundred sixty".