67130028 has 72 divisors (see below), whose sum is σ = 194684672. Its totient is φ = 19105632.

The previous prime is 67130017. The next prime is 67130039. The reversal of 67130028 is 82003176.

It is an interprime number because it is at equal distance from previous prime (67130017) and next prime (67130039).

It is a junction number, because it is equal to n+sod(n) for n = 67129983 and 67130010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122451 + ... + 122997.

Almost surely, 2^67130028 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 67130028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97342336).

67130028 is an abundant number, since it is smaller than the sum of its proper divisors (127554644).

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

67130028 is a wasteful number, since it uses less digits than its factorization.

67130028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051 (or 1046 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 67130028 is about 8193.2916462189. The cubic root of 67130028 is about 406.4173840266.

The spelling of 67130028 in words is "sixty-seven million, one hundred thirty thousand, twenty-eight".