67696438 has 4 divisors (see below), whose sum is σ = 101544660. Its totient is φ = 33848218.

The previous prime is 67696367. The next prime is 67696459. The reversal of 67696438 is 83469676.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 67696391 and 67696400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16924108 + ... + 16924111.

It is an arithmetic number, because the mean of its divisors is an integer number (25386165).

Almost surely, 2^67696438 is an apocalyptic number.

67696438 is a deficient number, since it is larger than the sum of its proper divisors (33848222).

67696438 is a wasteful number, since it uses less digits than its factorization.

67696438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33848221.

The product of its digits is 1306368, while the sum is 49.

The square root of 67696438 is about 8227.7845134641. The cubic root of 67696438 is about 407.5572338595.

The spelling of 67696438 in words is "sixty-seven million, six hundred ninety-six thousand, four hundred thirty-eight".