68903011 has 4 divisors (see below), whose sum is σ = 68920312. Its totient is φ = 68885712.

The previous prime is 68902979. The next prime is 68903033. The reversal of 68903011 is 11030986.

It is a happy number.

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 68903011 - 2⁵ = 68902979 is a prime.

It is a super-2 number, since 2×68903011² = 9495249849732242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68909011) 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, 676 + ... + 11758.

It is an arithmetic number, because the mean of its divisors is an integer number (17230078).

Almost surely, 2^68903011 is an apocalyptic number.

68903011 is a deficient number, since it is larger than the sum of its proper divisors (17301).

68903011 is a wasteful number, since it uses less digits than its factorization.

68903011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17300.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 68903011 is about 8300.7837581761. The cubic root of 68903011 is about 409.9643256686.

Adding to 68903011 its reverse (11030986), we get a palindrome (79933997).

The spelling of 68903011 in words is "sixty-eight million, nine hundred three thousand, eleven".