68930239 has 8 divisors (see below), whose sum is σ = 79345280. Its totient is φ = 58657176.

The previous prime is 68930219. The next prime is 68930249. The reversal of 68930239 is 93203986.

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 68930239 - 2⁵ = 68930207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68930209) 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, 34449 + ... + 36394.

It is an arithmetic number, because the mean of its divisors is an integer number (9918160).

Almost surely, 2^68930239 is an apocalyptic number.

68930239 is a deficient number, since it is larger than the sum of its proper divisors (10415041).

68930239 is a wasteful number, since it uses less digits than its factorization.

68930239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70989.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 68930239 is about 8302.4236822750. The cubic root of 68930239 is about 410.0183196256.

It can be divided in two parts, 689302 and 39, that multiplied together give a triangular number (26882778 = T₇₃₃₂).

The spelling of 68930239 in words is "sixty-eight million, nine hundred thirty thousand, two hundred thirty-nine".