68870039 has 6 divisors (see below), whose sum is σ = 80114184. Its totient is φ = 59031420.

The previous prime is 68870029. The next prime is 68870059. The reversal of 68870039 is 93007886.

It is not a de Polignac number, because 68870039 - 2⁸ = 68869783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68869978 and 68870005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68870029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 702707 + ... + 702804.

It is an arithmetic number, because the mean of its divisors is an integer number (13352364).

Almost surely, 2^68870039 is an apocalyptic number.

68870039 is a deficient number, since it is larger than the sum of its proper divisors (11244145).

68870039 is a wasteful number, since it uses less digits than its factorization.

68870039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405525 (or 1405518 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 68870039 is about 8298.7974430034. The cubic root of 68870039 is about 409.8989221385.

The spelling of 68870039 in words is "sixty-eight million, eight hundred seventy thousand, thirty-nine".