68955938 has 8 divisors (see below), whose sum is σ = 106229532. Its totient is φ = 33546096.

The previous prime is 68955937. The next prime is 68955947. The reversal of 68955938 is 83955986.

It can be written as a sum of positive squares in 2 ways, for example, as 68939809 + 16129 = 8303^2 + 127^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 68955938.

It is not an unprimeable number, because it can be changed into a prime (68955937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465845 + ... + 465992.

Almost surely, 2^68955938 is an apocalyptic number.

68955938 is a deficient number, since it is larger than the sum of its proper divisors (37273594).

68955938 is a wasteful number, since it uses less digits than its factorization.

68955938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931876.

The product of its digits is 2332800, while the sum is 53.

The square root of 68955938 is about 8303.9712186399. The cubic root of 68955938 is about 410.0692684870.

The spelling of 68955938 in words is "sixty-eight million, nine hundred fifty-five thousand, nine hundred thirty-eight".