68805995 has 16 divisors (see below), whose sum is σ = 88264512. Its totient is φ = 51363840.

The previous prime is 68805991. The next prime is 68806033. The reversal of 68805995 is 59950886.

It is a happy number.

It is not a de Polignac number, because 68805995 - 2² = 68805991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68805991) 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, 2582 + ... + 12011.

It is an arithmetic number, because the mean of its divisors is an integer number (5516532).

Almost surely, 2^68805995 is an apocalyptic number.

68805995 is a deficient number, since it is larger than the sum of its proper divisors (19458517).

68805995 is a wasteful number, since it uses less digits than its factorization.

68805995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14662.

The product of its (nonzero) digits is 777600, while the sum is 50.

The square root of 68805995 is about 8294.9379141739. The cubic root of 68805995 is about 409.7718242573.

The spelling of 68805995 in words is "sixty-eight million, eight hundred five thousand, nine hundred ninety-five".