67946004 has 72 divisors (see below), whose sum is σ = 198831360. Its totient is φ = 19161792.

The previous prime is 67946003. The next prime is 67946029. The reversal of 67946004 is 40064976.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 67946004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67946003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18202 + ... + 21614.

Almost surely, 2^67946004 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 67946004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99415680).

67946004 is an abundant number, since it is smaller than the sum of its proper divisors (130885356).

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

67946004 is a wasteful number, since it uses less digits than its factorization.

67946004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3509 (or 3504 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 67946004 is about 8242.9366126399. The cubic root of 67946004 is about 408.0574457752.

The spelling of 67946004 in words is "sixty-seven million, nine hundred forty-six thousand, four".