67064704 has 96 divisors (see below), whose sum is σ = 159915600. Its totient is φ = 27439104.

The previous prime is 67064693. The next prime is 67064717. The reversal of 67064704 is 40746076.

It is a self number, because there is not a number n which added to its sum of digits gives 67064704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 753492 + ... + 753580.

Almost surely, 2^67064704 is an apocalyptic number.

67064704 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67064704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79957800).

67064704 is an abundant number, since it is smaller than the sum of its proper divisors (92850896).

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

67064704 is an equidigital number, since it uses as much as digits as its factorization.

67064704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 67064704 is about 8189.3042439514. The cubic root of 67064704 is about 406.2855134556.

The spelling of 67064704 in words is "sixty-seven million, sixty-four thousand, seven hundred four".