68203713 has 4 divisors (see below), whose sum is σ = 90938288. Its totient is φ = 45469140.

The previous prime is 68203687. The next prime is 68203747. The reversal of 68203713 is 31730286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 68203713 - 2¹² = 68199617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68203313) 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, 11367283 + ... + 11367288.

It is an arithmetic number, because the mean of its divisors is an integer number (22734572).

Almost surely, 2^68203713 is an apocalyptic number.

It is an amenable number.

68203713 is a deficient number, since it is larger than the sum of its proper divisors (22734575).

68203713 is a wasteful number, since it uses less digits than its factorization.

68203713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22734574.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 68203713 is about 8258.5539291089. The cubic root of 68203713 is about 408.5726951273.

Adding to 68203713 its reverse (31730286), we get a palindrome (99933999).

The spelling of 68203713 in words is "sixty-eight million, two hundred three thousand, seven hundred thirteen".