68105901 has 8 divisors (see below), whose sum is σ = 92521440. Its totient is φ = 44547152.

The previous prime is 68105897. The next prime is 68105903. The reversal of 68105901 is 10950186.

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 68105901 - 2² = 68105897 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68105903) 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, 214011 + ... + 214328.

It is an arithmetic number, because the mean of its divisors is an integer number (11565180).

Almost surely, 2^68105901 is an apocalyptic number.

It is an amenable number.

68105901 is a deficient number, since it is larger than the sum of its proper divisors (24415539).

68105901 is a wasteful number, since it uses less digits than its factorization.

68105901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428395.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 68105901 is about 8252.6299444480. The cubic root of 68105901 is about 408.3772882111.

It can be divided in two parts, 68105 and 901, that added together give a triangular number (69006 = T₃₇₁).

The spelling of 68105901 in words is "sixty-eight million, one hundred five thousand, nine hundred one".