68607843 has 4 divisors (see below), whose sum is σ = 91477128. Its totient is φ = 45738560.

The previous prime is 68607839. The next prime is 68607863. The reversal of 68607843 is 34870686.

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 68607843 - 2² = 68607839 is a prime.

It is a super-2 number, since 2×68607843² = 9414072242225298, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68607795 and 68607804.

It is not an unprimeable number, because it can be changed into a prime (68607863) 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, 11434638 + ... + 11434643.

It is an arithmetic number, because the mean of its divisors is an integer number (22869282).

Almost surely, 2^68607843 is an apocalyptic number.

68607843 is a deficient number, since it is larger than the sum of its proper divisors (22869285).

68607843 is a wasteful number, since it uses less digits than its factorization.

68607843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22869284.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 68607843 is about 8282.9851502945. The cubic root of 68607843 is about 409.3780834840.

The spelling of 68607843 in words is "sixty-eight million, six hundred seven thousand, eight hundred forty-three".