68880673 has 2 divisors, whose sum is σ = 68880674. Its totient is φ = 68880672.

The previous prime is 68880649. The next prime is 68880677. The reversal of 68880673 is 37608886.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49801249 + 19079424 = 7057^2 + 4368^2 .

It is a cyclic number.

It is not a de Polignac number, because 68880673 - 2¹⁷ = 68749601 is a prime.

It is a super-2 number, since 2×68880673² = 9489094225865858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (68880677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34440336 + 34440337.

It is an arithmetic number, because the mean of its divisors is an integer number (34440337).

Almost surely, 2^68880673 is an apocalyptic number.

It is an amenable number.

68880673 is a deficient number, since it is larger than the sum of its proper divisors (1).

68880673 is an equidigital number, since it uses as much as digits as its factorization.

68880673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 68880673 is about 8299.4381135111. The cubic root of 68880673 is about 409.9200181084.

The spelling of 68880673 in words is "sixty-eight million, eight hundred eighty thousand, six hundred seventy-three".