67921883 has 2 divisors, whose sum is σ = 67921884. Its totient is φ = 67921882.

The previous prime is 67921877. The next prime is 67921943. The reversal of 67921883 is 38812976.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67921883 - 2²⁰ = 66873307 is a prime.

It is a super-2 number, since 2×67921883² = 9226764380531378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (67921873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33960941 + 33960942.

It is an arithmetic number, because the mean of its divisors is an integer number (33960942).

Almost surely, 2^67921883 is an apocalyptic number.

67921883 is a deficient number, since it is larger than the sum of its proper divisors (1).

67921883 is an equidigital number, since it uses as much as digits as its factorization.

67921883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 44.

The square root of 67921883 is about 8241.4733512886. The cubic root of 67921883 is about 408.0091529249.

The spelling of 67921883 in words is "sixty-seven million, nine hundred twenty-one thousand, eight hundred eighty-three".