68024729 has 2 divisors, whose sum is σ = 68024730. Its totient is φ = 68024728.

The previous prime is 68024711. The next prime is 68024741. The reversal of 68024729 is 92742086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36966400 + 31058329 = 6080^2 + 5573^2 .

It is a cyclic number.

It is not a de Polignac number, because 68024729 - 2¹² = 68020633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68024692 and 68024701.

It is not a weakly prime, because it can be changed into another prime (68024029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34012364 + 34012365.

It is an arithmetic number, because the mean of its divisors is an integer number (34012365).

Almost surely, 2^68024729 is an apocalyptic number.

It is an amenable number.

68024729 is a deficient number, since it is larger than the sum of its proper divisors (1).

68024729 is an equidigital number, since it uses as much as digits as its factorization.

68024729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 68024729 is about 8247.7105308079. The cubic root of 68024729 is about 408.2149822584.

The spelling of 68024729 in words is "sixty-eight million, twenty-four thousand, seven hundred twenty-nine".