68998071 has 8 divisors (see below), whose sum is σ = 92659840. Its totient is φ = 45667512.

The previous prime is 68998043. The next prime is 68998123. The reversal of 68998071 is 17089986.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68998071 - 2²³ = 60609463 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68998071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68998271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82315 + ... + 83148.

It is an arithmetic number, because the mean of its divisors is an integer number (11582480).

Almost surely, 2^68998071 is an apocalyptic number.

68998071 is a deficient number, since it is larger than the sum of its proper divisors (23661769).

68998071 is a wasteful number, since it uses less digits than its factorization.

68998071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165605.

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 68998071 is about 8306.5077499512. The cubic root of 68998071 is about 410.1527707507.

The spelling of 68998071 in words is "sixty-eight million, nine hundred ninety-eight thousand, seventy-one".