67676765 has 16 divisors (see below), whose sum is σ = 92064000. Its totient is φ = 47345472.

The previous prime is 67676761. The next prime is 67676783. The reversal of 67676765 is 56767676.

67676765 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a cyclic number.

It is not a de Polignac number, because 67676765 - 2² = 67676761 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67676761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26165 + ... + 28634.

It is an arithmetic number, because the mean of its divisors is an integer number (5754000).

Almost surely, 2^67676765 is an apocalyptic number.

67676765 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

67676765 is a deficient number, since it is larger than the sum of its proper divisors (24387235).

67676765 is a wasteful number, since it uses less digits than its factorization.

67676765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54836.

The product of its digits is 2222640, while the sum is 50.

The square root of 67676765 is about 8226.5889042786. The cubic root of 67676765 is about 407.5177504908.

The spelling of 67676765 in words is "sixty-seven million, six hundred seventy-six thousand, seven hundred sixty-five".