68306501 has 4 divisors (see below), whose sum is σ = 71901600. Its totient is φ = 64711404.

The previous prime is 68306471. The next prime is 68306543. The reversal of 68306501 is 10560386.

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 a cyclic number.

It is not a de Polignac number, because 68306501 - 2¹⁰ = 68305477 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 (68306101) 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, 1797521 + ... + 1797558.

It is an arithmetic number, because the mean of its divisors is an integer number (17975400).

Almost surely, 2^68306501 is an apocalyptic number.

It is an amenable number.

68306501 is a deficient number, since it is larger than the sum of its proper divisors (3595099).

68306501 is a wasteful number, since it uses less digits than its factorization.

68306501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3595098.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 68306501 is about 8264.7747095732. The cubic root of 68306501 is about 408.7778417817. Note that the first 3 decimals are identical.

Adding to 68306501 its reverse (10560386), we get a palindrome (78866887).

It can be divided in two parts, 6830 and 6501, that added together give a palindrome (13331).

The spelling of 68306501 in words is "sixty-eight million, three hundred six thousand, five hundred one".