67931141 has 2 divisors, whose sum is σ = 67931142. Its totient is φ = 67931140.

The previous prime is 67931111. The next prime is 67931147. The reversal of 67931141 is 14113976.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50708641 + 17222500 = 7121^2 + 4150^2 .

It is a cyclic number.

It is not a de Polignac number, because 67931141 - 2⁶ = 67931077 is a prime.

It is a super-2 number, since 2×67931141² = 9229279835123762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67931098 and 67931107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67931147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33965570 + 33965571.

It is an arithmetic number, because the mean of its divisors is an integer number (33965571).

Almost surely, 2^67931141 is an apocalyptic number.

It is an amenable number.

67931141 is a deficient number, since it is larger than the sum of its proper divisors (1).

67931141 is an equidigital number, since it uses as much as digits as its factorization.

67931141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 32.

The square root of 67931141 is about 8242.0350035656. The cubic root of 67931141 is about 408.0276897938.

The spelling of 67931141 in words is "sixty-seven million, nine hundred thirty-one thousand, one hundred forty-one".