67117057 has 8 divisors (see below), whose sum is σ = 77676800. Its totient is φ = 56800224.

The previous prime is 67117031. The next prime is 67117073. The reversal of 67117057 is 75071176.

67117057 is nontrivially palindromic in base 2.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67117057 - 2¹⁵ = 67084289 is a prime.

It is the 8193-rd Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67117007) by changing a digit.

It is a nontrivial repunit in base 8192.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60132 + ... + 61237.

It is an arithmetic number, because the mean of its divisors is an integer number (9709600).

Almost surely, 2^67117057 is an apocalyptic number.

It is an amenable number.

67117057 is a deficient number, since it is larger than the sum of its proper divisors (10559743).

67117057 is a wasteful number, since it uses less digits than its factorization.

67117057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121455.

The product of its (nonzero) digits is 10290, while the sum is 34.

The square root of 67117057 is about 8192.5000457736. The cubic root of 67117057 is about 406.3912060770.

The spelling of 67117057 in words is "sixty-seven million, one hundred seventeen thousand, fifty-seven".