68043007 has 4 divisors (see below), whose sum is σ = 68222920. Its totient is φ = 67863096.

The previous prime is 68042987. The next prime is 68043011. The reversal of 68043007 is 70034086.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70034086 = 2 ⋅35017043.

It is a cyclic number.

It is not a de Polignac number, because 68043007 - 2¹⁹ = 67518719 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 (68043607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89388 + ... + 90145.

It is an arithmetic number, because the mean of its divisors is an integer number (17055730).

Almost surely, 2^68043007 is an apocalyptic number.

68043007 is a deficient number, since it is larger than the sum of its proper divisors (179913).

68043007 is a wasteful number, since it uses less digits than its factorization.

68043007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179912.

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

The square root of 68043007 is about 8248.8185214611. The cubic root of 68043007 is about 408.2515409500.

The spelling of 68043007 in words is "sixty-eight million, forty-three thousand, seven".