68619623 has 6 divisors (see below), whose sum is σ = 69407304. Its totient is φ = 67840784.

The previous prime is 68619611. The next prime is 68619641. The reversal of 68619623 is 32691686.

It is not a de Polignac number, because 68619623 - 2⁶ = 68619559 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 (68619653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3590 + ... + 12252.

It is an arithmetic number, because the mean of its divisors is an integer number (11567884).

Almost surely, 2^68619623 is an apocalyptic number.

68619623 is a deficient number, since it is larger than the sum of its proper divisors (787681).

68619623 is an frugal number, since it uses more digits than its factorization.

68619623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8841 (or 8752 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 68619623 is about 8283.6962160620. The cubic root of 68619623 is about 409.4015122817.

The spelling of 68619623 in words is "sixty-eight million, six hundred nineteen thousand, six hundred twenty-three".