68955015 has 16 divisors (see below), whose sum is σ = 112894848. Its totient is φ = 35920416.

The previous prime is 68955001. The next prime is 68955017. The reversal of 68955015 is 51055986.

It is not a de Polignac number, because 68955015 - 2⁴ = 68954999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68955017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52809 + ... + 54098.

It is an arithmetic number, because the mean of its divisors is an integer number (7055928).

Almost surely, 2^68955015 is an apocalyptic number.

68955015 is a deficient number, since it is larger than the sum of its proper divisors (43939833).

68955015 is a wasteful number, since it uses less digits than its factorization.

68955015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106958.

The product of its (nonzero) digits is 54000, while the sum is 39.

The square root of 68955015 is about 8303.9156426351. The cubic root of 68955015 is about 410.0674388373.

The spelling of 68955015 in words is "sixty-eight million, nine hundred fifty-five thousand, fifteen".