67471880 has 64 divisors (see below), whose sum is σ = 181059840. Its totient is φ = 22125312.

The previous prime is 67471867. The next prime is 67471889. The reversal of 67471880 is 8817476.

It is not an unprimeable number, because it can be changed into a prime (67471889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1202 + ... + 11678.

It is an arithmetic number, because the mean of its divisors is an integer number (2829060).

Almost surely, 2^67471880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67471880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90529920).

67471880 is an abundant number, since it is smaller than the sum of its proper divisors (113587960).

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

67471880 is a wasteful number, since it uses less digits than its factorization.

67471880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10518 (or 10514 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 67471880 is about 8214.1268556067. The cubic root of 67471880 is about 407.1060943224.

The spelling of 67471880 in words is "sixty-seven million, four hundred seventy-one thousand, eight hundred eighty".