68951239 has 8 divisors (see below), whose sum is σ = 80931488. Its totient is φ = 57503520.

The previous prime is 68951227. The next prime is 68951243. The reversal of 68951239 is 93215986.

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 68951239 - 2²¹ = 66854087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68951195 and 68951204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68951249) 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, 132852 + ... + 133369.

It is an arithmetic number, because the mean of its divisors is an integer number (10116436).

Almost surely, 2^68951239 is an apocalyptic number.

68951239 is a deficient number, since it is larger than the sum of its proper divisors (11980249).

68951239 is a wasteful number, since it uses less digits than its factorization.

68951239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266265.

The product of its digits is 116640, while the sum is 43.

The square root of 68951239 is about 8303.6882769044. The cubic root of 68951239 is about 410.0599535567.

The spelling of 68951239 in words is "sixty-eight million, nine hundred fifty-one thousand, two hundred thirty-nine".