67848649 has 16 divisors (see below), whose sum is σ = 78903936. Its totient is φ = 57657600.

The previous prime is 67848637. The next prime is 67848673. The reversal of 67848649 is 94684876.

It is a happy number.

It is not a de Polignac number, because 67848649 - 2⁵ = 67848617 is a prime.

It is a super-2 number, since 2×67848649² = 9206878342250402, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67848596 and 67848605.

It is not an unprimeable number, because it can be changed into a prime (67848619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28204 + ... + 30514.

It is an arithmetic number, because the mean of its divisors is an integer number (4931496).

Almost surely, 2^67848649 is an apocalyptic number.

It is an amenable number.

67848649 is a deficient number, since it is larger than the sum of its proper divisors (11055287).

67848649 is a wasteful number, since it uses less digits than its factorization.

67848649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496.

The product of its digits is 2322432, while the sum is 52.

The square root of 67848649 is about 8237.0291367701. The cubic root of 67848649 is about 407.8624604480.

The spelling of 67848649 in words is "sixty-seven million, eight hundred forty-eight thousand, six hundred forty-nine".