67681201 has 24 divisors (see below), whose sum is σ = 82162080. Its totient is φ = 55540800.

The previous prime is 67681171. The next prime is 67681217. The reversal of 67681201 is 10218676.

It is not a de Polignac number, because 67681201 - 2⁷ = 67681073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67681231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118246 + ... + 118816.

It is an arithmetic number, because the mean of its divisors is an integer number (3423420).

Almost surely, 2^67681201 is an apocalyptic number.

It is an amenable number.

67681201 is a deficient number, since it is larger than the sum of its proper divisors (14480879).

67681201 is a wasteful number, since it uses less digits than its factorization.

67681201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 67681201 is about 8226.8585134303. The cubic root of 67681201 is about 407.5266541337.

Adding to 67681201 its reverse (10218676), we get a palindrome (77899877).

The spelling of 67681201 in words is "sixty-seven million, six hundred eighty-one thousand, two hundred one".