68103091 has 24 divisors (see below), whose sum is σ = 82162080. Its totient is φ = 56246400.

The previous prime is 68103083. The next prime is 68103103. The reversal of 68103091 is 19030186.

It is a happy number.

It is not a de Polignac number, because 68103091 - 2³ = 68103083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68106091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218826 + ... + 219136.

It is an arithmetic number, because the mean of its divisors is an integer number (3423420).

Almost surely, 2^68103091 is an apocalyptic number.

68103091 is a deficient number, since it is larger than the sum of its proper divisors (14058989).

68103091 is a wasteful number, since it uses less digits than its factorization.

68103091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 68103091 is about 8252.4596939337. The cubic root of 68103091 is about 408.3716716838.

The spelling of 68103091 in words is "sixty-eight million, one hundred three thousand, ninety-one".