67968625 has 16 divisors (see below), whose sum is σ = 85123584. Its totient is φ = 54183600.

The previous prime is 67968613. The next prime is 67968629. The reversal of 67968625 is 52686976.

It is a happy number.

It is not a de Polignac number, because 67968625 - 2⁷ = 67968497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67968629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42592 + ... + 44158.

It is an arithmetic number, because the mean of its divisors is an integer number (5320224).

Almost surely, 2^67968625 is an apocalyptic number.

It is an amenable number.

67968625 is a deficient number, since it is larger than the sum of its proper divisors (17154959).

67968625 is a wasteful number, since it uses less digits than its factorization.

67968625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929 (or 1919 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 67968625 is about 8244.3086429367. The cubic root of 67968625 is about 408.1027250792.

The spelling of 67968625 in words is "sixty-seven million, nine hundred sixty-eight thousand, six hundred twenty-five".