67404004 has 12 divisors (see below), whose sum is σ = 122024700. Its totient is φ = 32539808.

The previous prime is 67403993. The next prime is 67404011. The reversal of 67404004 is 40040476.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12673600 + 54730404 = 3560^2 + 7398^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 67404004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290419 + ... + 290650.

It is an arithmetic number, because the mean of its divisors is an integer number (10168725).

Almost surely, 2^67404004 is an apocalyptic number.

It is an amenable number.

67404004 is a deficient number, since it is larger than the sum of its proper divisors (54620696).

67404004 is a wasteful number, since it uses less digits than its factorization.

67404004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581102 (or 581100 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 67404004 is about 8209.9941534693. The cubic root of 67404004 is about 406.9695337062.

The spelling of 67404004 in words is "sixty-seven million, four hundred four thousand, four".