67061604 has 12 divisors (see below), whose sum is σ = 156477104. Its totient is φ = 22353864.

The previous prime is 67061597. The next prime is 67061611. The reversal of 67061604 is 40616076.

It is an interprime number because it is at equal distance from previous prime (67061597) and next prime (67061611).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2794222 + ... + 2794245.

Almost surely, 2^67061604 is an apocalyptic number.

It is an amenable number.

67061604 is an abundant number, since it is smaller than the sum of its proper divisors (89415500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67061604 is a wasteful number, since it uses less digits than its factorization.

67061604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5588474 (or 5588472 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 67061604 is about 8189.1149704959. The cubic root of 67061604 is about 406.2792533096.

The spelling of 67061604 in words is "sixty-seven million, sixty-one thousand, six hundred four".