68653337 has 4 divisors (see below), whose sum is σ = 68670336. Its totient is φ = 68636340.

The previous prime is 68653309. The next prime is 68653339. The reversal of 68653337 is 73335686.

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 68653337 - 2¹⁰ = 68652313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68653294 and 68653303.

It is not an unprimeable number, because it can be changed into a prime (68653339) 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, 1412 + ... + 11802.

It is an arithmetic number, because the mean of its divisors is an integer number (17167584).

Almost surely, 2^68653337 is an apocalyptic number.

It is an amenable number.

68653337 is a deficient number, since it is larger than the sum of its proper divisors (16999).

68653337 is a wasteful number, since it uses less digits than its factorization.

68653337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16998.

The product of its digits is 272160, while the sum is 41.

The square root of 68653337 is about 8285.7309273232. The cubic root of 68653337 is about 409.4685499702.

The spelling of 68653337 in words is "sixty-eight million, six hundred fifty-three thousand, three hundred thirty-seven".