71680360 has 32 divisors (see below), whose sum is σ = 161533440. Its totient is φ = 28627264.

The previous prime is 71680321. The next prime is 71680361. The reversal of 71680360 is 6308617.

It is not an unprimeable number, because it can be changed into a prime (71680361) 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, 38409 + ... + 40231.

It is an arithmetic number, because the mean of its divisors is an integer number (5047920).

Almost surely, 2^71680360 is an apocalyptic number.

It is an amenable number.

71680360 is an abundant number, since it is smaller than the sum of its proper divisors (89853080).

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

71680360 is a wasteful number, since it uses less digits than its factorization.

71680360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817 (or 2813 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 71680360 is about 8466.4254558816. The cubic root of 71680360 is about 415.4002235702.

Adding to 71680360 its reverse (6308617), we get a palindrome (77988977).

The spelling of 71680360 in words is "seventy-one million, six hundred eighty thousand, three hundred sixty".