67685452 has 24 divisors (see below), whose sum is σ = 123270336. Its totient is φ = 32492928.

The previous prime is 67685441. The next prime is 67685461. The reversal of 67685452 is 25458676.

It is a junction number, because it is equal to n+sod(n) for n = 67685399 and 67685408.

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, 6568 + ... + 13360.

It is an arithmetic number, because the mean of its divisors is an integer number (5136264).

Almost surely, 2^67685452 is an apocalyptic number.

It is an amenable number.

67685452 is a deficient number, since it is larger than the sum of its proper divisors (55584884).

67685452 is a wasteful number, since it uses less digits than its factorization.

67685452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6897 (or 6895 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The square root of 67685452 is about 8227.1168704474. The cubic root of 67685452 is about 407.5351860919.

The spelling of 67685452 in words is "sixty-seven million, six hundred eighty-five thousand, four hundred fifty-two".