67384055 has 4 divisors (see below), whose sum is σ = 80860872. Its totient is φ = 53907240.

The previous prime is 67384027. The next prime is 67384061. The reversal of 67384055 is 55048376.

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

It is not a de Polignac number, because 67384055 - 2⁶ = 67383991 is a prime.

It is a super-2 number, since 2×67384055² = 9081221736486050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6738401 + ... + 6738410.

It is an arithmetic number, because the mean of its divisors is an integer number (20215218).

Almost surely, 2^67384055 is an apocalyptic number.

67384055 is a deficient number, since it is larger than the sum of its proper divisors (13476817).

67384055 is a wasteful number, since it uses less digits than its factorization.

67384055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13476816.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 67384055 is about 8208.7791418700. The cubic root of 67384055 is about 406.9293806203.

The spelling of 67384055 in words is "sixty-seven million, three hundred eighty-four thousand, fifty-five".