71540896 has 48 divisors (see below), whose sum is σ = 170444736. Its totient is φ = 28855296.

The previous prime is 71540893. The next prime is 71540897. The reversal of 71540896 is 69804517.

It is not an unprimeable number, because it can be changed into a prime (71540893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5586 + ... + 13201.

It is an arithmetic number, because the mean of its divisors is an integer number (3550932).

Almost surely, 2^71540896 is an apocalyptic number.

It is an amenable number.

71540896 is an abundant number, since it is smaller than the sum of its proper divisors (98903840).

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

71540896 is a wasteful number, since it uses less digits than its factorization.

71540896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18821 (or 18813 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 71540896 is about 8458.1851481272. The cubic root of 71540896 is about 415.1306425679.

The spelling of 71540896 in words is "seventy-one million, five hundred forty thousand, eight hundred ninety-six".