67104513 has 24 divisors (see below), whose sum is σ = 111096128. Its totient is φ = 38234592.

The previous prime is 67104449. The next prime is 67104517. The reversal of 67104513 is 31540176.

It is not a de Polignac number, because 67104513 - 2⁶ = 67104449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67104517) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23670 + ... + 26352.

Almost surely, 2^67104513 is an apocalyptic number.

67104513 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

67104513 is a deficient number, since it is larger than the sum of its proper divisors (43991615).

67104513 is a wasteful number, since it uses less digits than its factorization.

67104513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093 (or 3090 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 67104513 is about 8191.7344317306. The cubic root of 67104513 is about 406.3658866866.

Adding to 67104513 its reverse (31540176), we get a palindrome (98644689).

The spelling of 67104513 in words is "sixty-seven million, one hundred four thousand, five hundred thirteen".