67961975 has 12 divisors (see below), whose sum is σ = 85094256. Its totient is φ = 53839680.

The previous prime is 67961963. The next prime is 67962019. The reversal of 67961975 is 57916976.

It is not a de Polignac number, because 67961975 - 2⁶ = 67961911 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 10622 + ... + 15771.

It is an arithmetic number, because the mean of its divisors is an integer number (7091188).

Almost surely, 2^67961975 is an apocalyptic number.

67961975 is a deficient number, since it is larger than the sum of its proper divisors (17132281).

67961975 is a wasteful number, since it uses less digits than its factorization.

67961975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26506 (or 26501 counting only the distinct ones).

The product of its digits is 714420, while the sum is 50.

The square root of 67961975 is about 8243.9053245413. The cubic root of 67961975 is about 408.0894151555.

The spelling of 67961975 in words is "sixty-seven million, nine hundred sixty-one thousand, nine hundred seventy-five".