68342451 has 4 divisors (see below), whose sum is σ = 91123272. Its totient is φ = 45561632.

The previous prime is 68342429. The next prime is 68342459. The reversal of 68342451 is 15424386.

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

It is a cyclic number.

It is not a de Polignac number, because 68342451 - 2¹¹ = 68340403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68342459) 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, 11390406 + ... + 11390411.

It is an arithmetic number, because the mean of its divisors is an integer number (22780818).

Almost surely, 2^68342451 is an apocalyptic number.

68342451 is a deficient number, since it is larger than the sum of its proper divisors (22780821).

68342451 is a wasteful number, since it uses less digits than its factorization.

68342451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22780820.

The product of its digits is 23040, while the sum is 33.

The square root of 68342451 is about 8266.9493164044. The cubic root of 68342451 is about 408.8495430392.

It can be divided in two parts, 683 and 42451, that added together give a palindrome (43134).

The spelling of 68342451 in words is "sixty-eight million, three hundred forty-two thousand, four hundred fifty-one".