68870071 has 8 divisors (see below), whose sum is σ = 70243200. Its totient is φ = 67508280.

The previous prime is 68870063. The next prime is 68870083. The reversal of 68870071 is 17007886.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 68870071 - 2³ = 68870063 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 68870071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68870371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10000 + ... + 15418.

It is an arithmetic number, because the mean of its divisors is an integer number (8780400).

Almost surely, 2^68870071 is an apocalyptic number.

68870071 is a deficient number, since it is larger than the sum of its proper divisors (1373129).

68870071 is a wasteful number, since it uses less digits than its factorization.

68870071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5669.

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 68870071 is about 8298.7993709934. The cubic root of 68870071 is about 409.8989856241.

The spelling of 68870071 in words is "sixty-eight million, eight hundred seventy thousand, seventy-one".