67380393 has 4 divisors (see below), whose sum is σ = 89840528. Its totient is φ = 44920260.

The previous prime is 67380377. The next prime is 67380413. The reversal of 67380393 is 39308376.

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 67380393 - 2⁴ = 67380377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67380373) 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, 11230063 + ... + 11230068.

It is an arithmetic number, because the mean of its divisors is an integer number (22460132).

Almost surely, 2^67380393 is an apocalyptic number.

It is an amenable number.

67380393 is a deficient number, since it is larger than the sum of its proper divisors (22460135).

67380393 is a wasteful number, since it uses less digits than its factorization.

67380393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22460134.

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 67380393 is about 8208.5560849640. The cubic root of 67380393 is about 406.9220089338.

The spelling of 67380393 in words is "sixty-seven million, three hundred eighty thousand, three hundred ninety-three".