67248189 has 12 divisors (see below), whose sum is σ = 97379100. Its totient is φ = 44720064.

The previous prime is 67248161. The next prime is 67248193. The reversal of 67248189 is 98184276.

It can be written as a sum of positive squares in 2 ways, for example, as 55756089 + 11492100 = 7467^2 + 3390^2 .

It is not a de Polignac number, because 67248189 - 2¹¹ = 67246141 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67248199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5454 + ... + 12815.

It is an arithmetic number, because the mean of its divisors is an integer number (8114925).

Almost surely, 2^67248189 is an apocalyptic number.

It is an amenable number.

67248189 is a deficient number, since it is larger than the sum of its proper divisors (30130911).

67248189 is a wasteful number, since it uses less digits than its factorization.

67248189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18684 (or 18681 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 67248189 is about 8200.4993140662. The cubic root of 67248189 is about 406.6557003075.

The spelling of 67248189 in words is "sixty-seven million, two hundred forty-eight thousand, one hundred eighty-nine".