67230128 has 20 divisors (see below), whose sum is σ = 148866960. Its totient is φ = 28812864.

The previous prime is 67230109. The next prime is 67230131. The reversal of 67230128 is 82103276.

It is a happy number.

It is a super-2 number, since 2×67230128² = 9039780221792768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67230128.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300023 + ... + 300246.

It is an arithmetic number, because the mean of its divisors is an integer number (7443348).

Almost surely, 2^67230128 is an apocalyptic number.

It is an amenable number.

67230128 is an abundant number, since it is smaller than the sum of its proper divisors (81636832).

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

67230128 is a wasteful number, since it uses less digits than its factorization.

67230128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600284 (or 600278 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 67230128 is about 8199.3980266846. The cubic root of 67230128 is about 406.6192915638.

The spelling of 67230128 in words is "sixty-seven million, two hundred thirty thousand, one hundred twenty-eight".