67871560 has 32 divisors (see below), whose sum is σ = 153236160. Its totient is φ = 27055296.

The previous prime is 67871549. The next prime is 67871563. The reversal of 67871560 is 6517876.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (67871563) 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, 9517 + ... + 15043.

It is an arithmetic number, because the mean of its divisors is an integer number (4788630).

Almost surely, 2^67871560 is an apocalyptic number.

It is an amenable number.

67871560 is an abundant number, since it is smaller than the sum of its proper divisors (85364600).

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

67871560 is a wasteful number, since it uses less digits than its factorization.

67871560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5845 (or 5841 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 67871560 is about 8238.4197513844. The cubic root of 67871560 is about 407.9083640160.

The spelling of 67871560 in words is "sixty-seven million, eight hundred seventy-one thousand, five hundred sixty".