67004500 has 48 divisors (see below), whose sum is σ = 151416720. Its totient is φ = 25872000.

The previous prime is 67004491. The next prime is 67004513. The reversal of 67004500 is 540076.

It can be written as a sum of positive squares in 8 ways, for example, as 25040016 + 41964484 = 5004^2 + 6478^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12190 + ... + 16810.

It is an arithmetic number, because the mean of its divisors is an integer number (3154515).

Almost surely, 2^67004500 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 67004500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75708360).

67004500 is an abundant number, since it is smaller than the sum of its proper divisors (84412220).

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

67004500 is a wasteful number, since it uses less digits than its factorization.

67004500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4669 (or 4657 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 67004500 is about 8185.6276485069. The cubic root of 67004500 is about 406.1639028591.

Adding to 67004500 its reverse (540076), we get a palindrome (67544576).

The spelling of 67004500 in words is "sixty-seven million, four thousand, five hundred".