68601147 has 4 divisors (see below), whose sum is σ = 91468200. Its totient is φ = 45734096.

The previous prime is 68601139. The next prime is 68601173. The reversal of 68601147 is 74110686.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 68601147 - 2³ = 68601139 is a prime.

It is a super-2 number, since 2×68601147² = 9412234739431218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68601107) 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, 11433522 + ... + 11433527.

It is an arithmetic number, because the mean of its divisors is an integer number (22867050).

Almost surely, 2^68601147 is an apocalyptic number.

68601147 is a deficient number, since it is larger than the sum of its proper divisors (22867053).

68601147 is a wasteful number, since it uses less digits than its factorization.

68601147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22867052.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 68601147 is about 8282.5809383308. The cubic root of 68601147 is about 409.3647648666.

The spelling of 68601147 in words is "sixty-eight million, six hundred one thousand, one hundred forty-seven".