67699423 has 16 divisors (see below), whose sum is σ = 79315200. Its totient is φ = 57097600.

The previous prime is 67699417. The next prime is 67699433. The reversal of 67699423 is 32499676.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67699423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67699403) 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, 10728 + ... + 15826.

It is an arithmetic number, because the mean of its divisors is an integer number (4957200).

Almost surely, 2^67699423 is an apocalyptic number.

67699423 is a deficient number, since it is larger than the sum of its proper divisors (11615777).

67699423 is a wasteful number, since it uses less digits than its factorization.

67699423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5198.

The product of its digits is 489888, while the sum is 46.

The square root of 67699423 is about 8227.9659090203. The cubic root of 67699423 is about 407.5632240342.

The spelling of 67699423 in words is "sixty-seven million, six hundred ninety-nine thousand, four hundred twenty-three".