68141903 has 4 divisors (see below), whose sum is σ = 68168760. Its totient is φ = 68115048.

The previous prime is 68141837. The next prime is 68141929. The reversal of 68141903 is 30914186.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68141903 is a prime.

It is a super-2 number, since 2×68141903² = 9286637888922818, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68141903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68141603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9173 + ... + 14846.

It is an arithmetic number, because the mean of its divisors is an integer number (17042190).

Almost surely, 2^68141903 is an apocalyptic number.

68141903 is a deficient number, since it is larger than the sum of its proper divisors (26857).

68141903 is a wasteful number, since it uses less digits than its factorization.

68141903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26856.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 68141903 is about 8254.8109003175. The cubic root of 68141903 is about 408.4492340534.

The spelling of 68141903 in words is "sixty-eight million, one hundred forty-one thousand, nine hundred three".