71830960 has 20 divisors (see below), whose sum is σ = 167007168. Its totient is φ = 28732352.

The previous prime is 71830943. The next prime is 71830961. The reversal of 71830960 is 6903817.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (71830961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448864 + ... + 449023.

Almost surely, 2^71830960 is an apocalyptic number.

It is an amenable number.

71830960 is an abundant number, since it is smaller than the sum of its proper divisors (95176208).

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

71830960 is a wasteful number, since it uses less digits than its factorization.

71830960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897900 (or 897894 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 71830960 is about 8475.3147434181. The cubic root of 71830960 is about 415.6909378492.

The spelling of 71830960 in words is "seventy-one million, eight hundred thirty thousand, nine hundred sixty".