67794393 has 4 divisors (see below), whose sum is σ = 90392528. Its totient is φ = 45196260.

The previous prime is 67794371. The next prime is 67794407. The reversal of 67794393 is 39349776.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 67794393 - 2⁶ = 67794329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67794343) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 11299063 + ... + 11299068.

It is an arithmetic number, because the mean of its divisors is an integer number (22598132).

Almost surely, 2^67794393 is an apocalyptic number.

It is an amenable number.

67794393 is a deficient number, since it is larger than the sum of its proper divisors (22598135).

67794393 is a wasteful number, since it uses less digits than its factorization.

67794393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22598134.

The product of its digits is 857304, while the sum is 48.

The square root of 67794393 is about 8233.7350576758. The cubic root of 67794393 is about 407.7537140584.

The spelling of 67794393 in words is "sixty-seven million, seven hundred ninety-four thousand, three hundred ninety-three".