67676609 has 64 divisors (see below), whose sum is σ = 99574272. Its totient is φ = 44236800.

The previous prime is 67676597. The next prime is 67676617. The reversal of 67676609 is 90667676.

It is a cyclic number.

It is not a de Polignac number, because 67676609 - 2⁴ = 67676593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67676629) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 697649 + ... + 697745.

It is an arithmetic number, because the mean of its divisors is an integer number (1555848).

Almost surely, 2^67676609 is an apocalyptic number.

It is an amenable number.

67676609 is a deficient number, since it is larger than the sum of its proper divisors (31897663).

67676609 is a wasteful number, since it uses less digits than its factorization.

67676609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186.

The product of its (nonzero) digits is 571536, while the sum is 47.

The square root of 67676609 is about 8226.5794228221. The cubic root of 67676609 is about 407.5174373709.

It can be divided in two parts, 67 and 676609, that added together give a palindrome (676676).

The spelling of 67676609 in words is "sixty-seven million, six hundred seventy-six thousand, six hundred nine".