67992383 has 4 divisors (see below), whose sum is σ = 68337720. Its totient is φ = 67647048.

The previous prime is 67992359. The next prime is 67992403. The reversal of 67992383 is 38329976.

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

It is a cyclic number.

It is not a de Polignac number, because 67992383 - 2²² = 63798079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67992313) 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, 172373 + ... + 172766.

It is an arithmetic number, because the mean of its divisors is an integer number (17084430).

Almost surely, 2^67992383 is an apocalyptic number.

67992383 is a deficient number, since it is larger than the sum of its proper divisors (345337).

67992383 is a wasteful number, since it uses less digits than its factorization.

67992383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345336.

The product of its digits is 489888, while the sum is 47.

The square root of 67992383 is about 8245.7493898372. The cubic root of 67992383 is about 408.1502694428.

The spelling of 67992383 in words is "sixty-seven million, nine hundred ninety-two thousand, three hundred eighty-three".