68067403 has 4 divisors (see below), whose sum is σ = 68443648. Its totient is φ = 67691160.

The previous prime is 68067397. The next prime is 68067407. The reversal of 68067403 is 30476086.

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 68067403 - 2⁹ = 68066891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68067407) 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, 187851 + ... + 188212.

It is an arithmetic number, because the mean of its divisors is an integer number (17110912).

Almost surely, 2^68067403 is an apocalyptic number.

68067403 is a deficient number, since it is larger than the sum of its proper divisors (376245).

68067403 is a wasteful number, since it uses less digits than its factorization.

68067403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376244.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 68067403 is about 8250.2971461639. The cubic root of 68067403 is about 408.3003263431.

The spelling of 68067403 in words is "sixty-eight million, sixty-seven thousand, four hundred three".