71534860 has 24 divisors (see below), whose sum is σ = 150539760. Its totient is φ = 28553664.

The previous prime is 71534833. The next prime is 71534917. The reversal of 71534860 is 6843517.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6667 + ... + 13693.

It is an arithmetic number, because the mean of its divisors is an integer number (6272490).

Almost surely, 2^71534860 is an apocalyptic number.

It is an amenable number.

71534860 is an abundant number, since it is smaller than the sum of its proper divisors (79004900).

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

71534860 is a wasteful number, since it uses less digits than its factorization.

71534860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7545 (or 7543 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 71534860 is about 8457.8283264677. The cubic root of 71534860 is about 415.1189671991.

The spelling of 71534860 in words is "seventy-one million, five hundred thirty-four thousand, eight hundred sixty".