68053619 has 16 divisors (see below), whose sum is σ = 73470720. Its totient is φ = 62868960.

The previous prime is 68053597. The next prime is 68053621. The reversal of 68053619 is 91635086.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68053619 is a prime.

It is a super-2 number, since 2×68053619² = 9262590117994322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68053639) 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 15 ways as a sum of consecutive naturals, for example, 179372 + ... + 179750.

It is an arithmetic number, because the mean of its divisors is an integer number (4591920).

Almost surely, 2^68053619 is an apocalyptic number.

68053619 is a deficient number, since it is larger than the sum of its proper divisors (5417101).

68053619 is a wasteful number, since it uses less digits than its factorization.

68053619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 68053619 is about 8249.4617400167. The cubic root of 68053619 is about 408.2727635088.

The spelling of 68053619 in words is "sixty-eight million, fifty-three thousand, six hundred nineteen".