68607705 has 32 divisors (see below), whose sum is σ = 112648320. Its totient is φ = 35642880.

The previous prime is 68607701. The next prime is 68607751. The reversal of 68607705 is 50770686.

It is not a de Polignac number, because 68607705 - 2² = 68607701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68607701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167541 + ... + 167949.

It is an arithmetic number, because the mean of its divisors is an integer number (3520260).

Almost surely, 2^68607705 is an apocalyptic number.

It is an amenable number.

68607705 is a deficient number, since it is larger than the sum of its proper divisors (44040615).

68607705 is a wasteful number, since it uses less digits than its factorization.

68607705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 68607705 is about 8282.9768199603. The cubic root of 68607705 is about 409.3778090051.

The spelling of 68607705 in words is "sixty-eight million, six hundred seven thousand, seven hundred five".