68537201 has 4 divisors (see below), whose sum is σ = 69076992. Its totient is φ = 67997412.

The previous prime is 68537197. The next prime is 68537213. The reversal of 68537201 is 10273586.

It is a happy number.

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 68537201 - 2² = 68537197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68537101) 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 3 ways as a sum of consecutive naturals, for example, 269705 + ... + 269958.

It is an arithmetic number, because the mean of its divisors is an integer number (17269248).

Almost surely, 2^68537201 is an apocalyptic number.

It is an amenable number.

68537201 is a deficient number, since it is larger than the sum of its proper divisors (539791).

68537201 is a wasteful number, since it uses less digits than its factorization.

68537201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539790.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 68537201 is about 8278.7197681767. The cubic root of 68537201 is about 409.2375299818.

The spelling of 68537201 in words is "sixty-eight million, five hundred thirty-seven thousand, two hundred one".