67004064 has 48 divisors (see below), whose sum is σ = 195431040. Its totient is φ = 22334400.

The previous prime is 67004059. The next prime is 67004081. The reversal of 67004064 is 46040076.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37912 + ... + 39639.

It is an arithmetic number, because the mean of its divisors is an integer number (4071480).

Almost surely, 2^67004064 is an apocalyptic number.

It is an amenable number.

67004064 is an abundant number, since it is smaller than the sum of its proper divisors (128426976).

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

67004064 is a wasteful number, since it uses less digits than its factorization.

67004064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77570 (or 77556 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 67004064 is about 8185.6010164190. The cubic root of 67004064 is about 406.1630218842.

The spelling of 67004064 in words is "sixty-seven million, four thousand, sixty-four".