67948013 has 8 divisors (see below), whose sum is σ = 77757120. Its totient is φ = 58164480.

The previous prime is 67948007. The next prime is 67948019. The reversal of 67948013 is 31084976.

It is an interprime number because it is at equal distance from previous prime (67948007) and next prime (67948019).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67948013 - 2⁶ = 67947949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67948019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308 + ... + 11661.

It is an arithmetic number, because the mean of its divisors is an integer number (9719640).

Almost surely, 2^67948013 is an apocalyptic number.

It is an amenable number.

67948013 is a deficient number, since it is larger than the sum of its proper divisors (9809107).

67948013 is a wasteful number, since it uses less digits than its factorization.

67948013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12787.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 67948013 is about 8243.0584736492. The cubic root of 67948013 is about 408.0614674948.

The spelling of 67948013 in words is "sixty-seven million, nine hundred forty-eight thousand, thirteen".