67923680 has 48 divisors (see below), whose sum is σ = 175062384. Its totient is φ = 24698880.

The previous prime is 67923649. The next prime is 67923731. The reversal of 67923680 is 8632976.

It is a super-2 number, since 2×67923680² = 9227252609484800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17537 + ... + 21056.

It is an arithmetic number, because the mean of its divisors is an integer number (3647133).

Almost surely, 2^67923680 is an apocalyptic number.

It is an amenable number.

67923680 is an abundant number, since it is smaller than the sum of its proper divisors (107138704).

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

67923680 is a wasteful number, since it uses less digits than its factorization.

67923680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38619 (or 38611 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 67923680 is about 8241.5823723360. The cubic root of 67923680 is about 408.0127511073.

The spelling of 67923680 in words is "sixty-seven million, nine hundred twenty-three thousand, six hundred eighty".