68430007 has 4 divisors (see below), whose sum is σ = 69094480. Its totient is φ = 67765536.

The previous prime is 68429987. The next prime is 68430017. The reversal of 68430007 is 70003486.

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-68430007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68430017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332082 + ... + 332287.

It is an arithmetic number, because the mean of its divisors is an integer number (17273620).

Almost surely, 2^68430007 is an apocalyptic number.

68430007 is a deficient number, since it is larger than the sum of its proper divisors (664473).

68430007 is a wasteful number, since it uses less digits than its factorization.

68430007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664472.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 68430007 is about 8272.2431661551. The cubic root of 68430007 is about 409.0240658719.

The spelling of 68430007 in words is "sixty-eight million, four hundred thirty thousand, seven".