67004660 has 36 divisors (see below), whose sum is σ = 144297804. Its totient is φ = 26135040.

The previous prime is 67004653. The next prime is 67004677. The reversal of 67004660 is 6640076.

It can be written as a sum of positive squares in 6 ways, for example, as 16224784 + 50779876 = 4028^2 + 7126^2 .

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 32624 + ... + 34616.

Almost surely, 2^67004660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67004660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72148902).

67004660 is an abundant number, since it is smaller than the sum of its proper divisors (77293144).

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

67004660 is a wasteful number, since it uses less digits than its factorization.

67004660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084 (or 2041 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 67004660 is about 8185.6374217284. The cubic root of 67004660 is about 406.1642261517.

The spelling of 67004660 in words is "sixty-seven million, four thousand, six hundred sixty".