67109013 has 32 divisors (see below), whose sum is σ = 105840000. Its totient is φ = 41879808.

The previous prime is 67108981. The next prime is 67109023. The reversal of 67109013 is 31090176.

It is not a de Polignac number, because 67109013 - 2⁵ = 67108981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67109023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134238 + ... + 134736.

It is an arithmetic number, because the mean of its divisors is an integer number (3307500).

Almost surely, 2^67109013 is an apocalyptic number.

It is an amenable number.

67109013 is a deficient number, since it is larger than the sum of its proper divisors (38730987).

67109013 is a wasteful number, since it uses less digits than its factorization.

67109013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818 (or 812 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 67109013 is about 8192.0090942332. The cubic root of 67109013 is about 406.3749700579.

Adding to 67109013 its reverse (31090176), we get a palindrome (98199189).

The spelling of 67109013 in words is "sixty-seven million, one hundred nine thousand, thirteen".