67600561 has 8 divisors (see below), whose sum is σ = 78055040. Its totient is φ = 57345408.

The previous prime is 67600541. The next prime is 67600597. The reversal of 67600561 is 16500676.

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 67600561 - 2¹¹ = 67598513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67600531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49101 + ... + 50458.

It is an arithmetic number, because the mean of its divisors is an integer number (9756880).

Almost surely, 2^67600561 is an apocalyptic number.

It is an amenable number.

67600561 is a deficient number, since it is larger than the sum of its proper divisors (10454479).

67600561 is an equidigital number, since it uses as much as digits as its factorization.

67600561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99663.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 67600561 is about 8221.9560324779. The cubic root of 67600561 is about 407.3647381252.

The spelling of 67600561 in words is "sixty-seven million, six hundred thousand, five hundred sixty-one".