67680250 has 32 divisors (see below), whose sum is σ = 138220992. Its totient is φ = 24610000.

The previous prime is 67680227. The next prime is 67680269. The reversal of 67680250 is 5208676.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9556 + ... + 15055.

It is an arithmetic number, because the mean of its divisors is an integer number (4319406).

Almost surely, 2^67680250 is an apocalyptic number.

67680250 is an abundant number, since it is smaller than the sum of its proper divisors (70540742).

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

67680250 is a wasteful number, since it uses less digits than its factorization.

67680250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24639 (or 24629 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 67680250 is about 8226.8007147372. The cubic root of 67680250 is about 407.5247453828.

The spelling of 67680250 in words is "sixty-seven million, six hundred eighty thousand, two hundred fifty".