67748423 has 4 divisors (see below), whose sum is σ = 69933888. Its totient is φ = 65562960.

The previous prime is 67748419. The next prime is 67748431. The reversal of 67748423 is 32484776.

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 67748423 - 2² = 67748419 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 (67748123) 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, 1092686 + ... + 1092747.

It is an arithmetic number, because the mean of its divisors is an integer number (17483472).

Almost surely, 2^67748423 is an apocalyptic number.

67748423 is a deficient number, since it is larger than the sum of its proper divisors (2185465).

67748423 is a wasteful number, since it uses less digits than its factorization.

67748423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185464.

The product of its digits is 225792, while the sum is 41.

The square root of 67748423 is about 8230.9430200919. The cubic root of 67748423 is about 407.6615300505.

The spelling of 67748423 in words is "sixty-seven million, seven hundred forty-eight thousand, four hundred twenty-three".