67872941 has 2 divisors, whose sum is σ = 67872942. Its totient is φ = 67872940.

The previous prime is 67872907. The next prime is 67872971. The reversal of 67872941 is 14927876.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33988900 + 33884041 = 5830^2 + 5821^2 .

It is a cyclic number.

It is not a de Polignac number, because 67872941 - 2¹⁰ = 67871917 is a prime.

It is a super-2 number, since 2×67872941² = 9213472239978962, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 67872892 and 67872901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67872901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33936470 + 33936471.

It is an arithmetic number, because the mean of its divisors is an integer number (33936471).

Almost surely, 2^67872941 is an apocalyptic number.

It is an amenable number.

67872941 is a deficient number, since it is larger than the sum of its proper divisors (1).

67872941 is an equidigital number, since it uses as much as digits as its factorization.

67872941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 44.

The square root of 67872941 is about 8238.5035655755. The cubic root of 67872941 is about 407.9111306025.

The spelling of 67872941 in words is "sixty-seven million, eight hundred seventy-two thousand, nine hundred forty-one".