68709335 has 16 divisors (see below), whose sum is σ = 84823200. Its totient is φ = 53408256.

The previous prime is 68709307. The next prime is 68709337. The reversal of 68709335 is 53390786.

It is a cyclic number.

It is not a de Polignac number, because 68709335 - 2⁸ = 68709079 is a prime.

It is a super-2 number, since 2×68709335² = 9441945432284450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68709292 and 68709301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68709337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24947 + ... + 27563.

It is an arithmetic number, because the mean of its divisors is an integer number (5301450).

Almost surely, 2^68709335 is an apocalyptic number.

68709335 is a deficient number, since it is larger than the sum of its proper divisors (16113865).

68709335 is a wasteful number, since it uses less digits than its factorization.

68709335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 68709335 is about 8289.1094214035. The cubic root of 68709335 is about 409.5798491896.

The spelling of 68709335 in words is "sixty-eight million, seven hundred nine thousand, three hundred thirty-five".