67691460938 has 8 divisors (see below), whose sum is σ = 101575939140. Its totient is φ = 33832814560.

The previous prime is 67691460937. The next prime is 67691460953. The reversal of 67691460938 is 83906419676.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 67471621009 + 219839929 = 259753^2 + 14827^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (67691460937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6451403 + ... + 6461886.

Almost surely, 2^67691460938 is an apocalyptic number.

67691460938 is a deficient number, since it is larger than the sum of its proper divisors (33884478202).

67691460938 is a wasteful number, since it uses less digits than its factorization.

67691460938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12915912.

The product of its (nonzero) digits is 11757312, while the sum is 59.

The spelling of 67691460938 in words is "sixty-seven billion, six hundred ninety-one million, four hundred sixty thousand, nine hundred thirty-eight".