68773623 has 4 divisors (see below), whose sum is σ = 91698168. Its totient is φ = 45849080.

The previous prime is 68773609. The next prime is 68773631. The reversal of 68773623 is 32637786.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68773623 is a prime.

It is a super-2 number, since 2×68773623² = 9459622441092258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68773633) 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, 11462268 + ... + 11462273.

It is an arithmetic number, because the mean of its divisors is an integer number (22924542).

Almost surely, 2^68773623 is an apocalyptic number.

68773623 is a deficient number, since it is larger than the sum of its proper divisors (22924545).

68773623 is a wasteful number, since it uses less digits than its factorization.

68773623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22924544.

The product of its digits is 254016, while the sum is 42.

The square root of 68773623 is about 8292.9863740392. The cubic root of 68773623 is about 409.7075507185.

It can be divided in two parts, 68773 and 623, that added together give a palindrome (69396).

The spelling of 68773623 in words is "sixty-eight million, seven hundred seventy-three thousand, six hundred twenty-three".