67848981 has 16 divisors (see below), whose sum is σ = 95869440. Its totient is φ = 42562800.

The previous prime is 67848953. The next prime is 67848983. The reversal of 67848981 is 18984876.

It is not a de Polignac number, because 67848981 - 2¹⁰ = 67847957 is a prime.

It is a super-2 number, since 2×67848981² = 9206968445476722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67848983) 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, 4666 + ... + 12548.

It is an arithmetic number, because the mean of its divisors is an integer number (5991840).

Almost surely, 2^67848981 is an apocalyptic number.

It is an amenable number.

67848981 is a deficient number, since it is larger than the sum of its proper divisors (28020459).

67848981 is a wasteful number, since it uses less digits than its factorization.

67848981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8056.

The product of its digits is 774144, while the sum is 51.

The square root of 67848981 is about 8237.0492896425. The cubic root of 67848981 is about 407.8631257037.

The spelling of 67848981 in words is "sixty-seven million, eight hundred forty-eight thousand, nine hundred eighty-one".