67214028 has 48 divisors (see below), whose sum is σ = 180373760. Its totient is φ = 19082304.

The previous prime is 67214011. The next prime is 67214029. The reversal of 67214028 is 82041276.

It is a junction number, because it is equal to n+sod(n) for n = 67213986 and 67214004.

It is not an unprimeable number, because it can be changed into a prime (67214029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11238 + ... + 16146.

Almost surely, 2^67214028 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 67214028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90186880).

67214028 is an abundant number, since it is smaller than the sum of its proper divisors (113159732).

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

67214028 is a wasteful number, since it uses less digits than its factorization.

67214028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5086 (or 5084 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 67214028 is about 8198.4161885086. The cubic root of 67214028 is about 406.5868304563.

The spelling of 67214028 in words is "sixty-seven million, two hundred fourteen thousand, twenty-eight".