67948839 has 18 divisors (see below), whose sum is σ = 114173280. Its totient is φ = 38827656.

The previous prime is 67948819. The next prime is 67948871. The reversal of 67948839 is 93884976.

It is not a de Polignac number, because 67948839 - 2¹⁷ = 67817767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67948819) 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 17 ways as a sum of consecutive naturals, for example, 76599 + ... + 77480.

It is an arithmetic number, because the mean of its divisors is an integer number (6342960).

Almost surely, 2^67948839 is an apocalyptic number.

67948839 is a deficient number, since it is larger than the sum of its proper divisors (46224441).

67948839 is a wasteful number, since it uses less digits than its factorization.

67948839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154099 (or 154089 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 67948839 is about 8243.1085762593. The cubic root of 67948839 is about 408.0631210012.

The spelling of 67948839 in words is "sixty-seven million, nine hundred forty-eight thousand, eight hundred thirty-nine".