67278093 has 8 divisors (see below), whose sum is σ = 89882400. Its totient is φ = 44762928.

The previous prime is 67278083. The next prime is 67278131. The reversal of 67278093 is 39087276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67278093 - 2¹⁷ = 67147021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67278023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20503 + ... + 23556.

It is an arithmetic number, because the mean of its divisors is an integer number (11235300).

Almost surely, 2^67278093 is an apocalyptic number.

It is an amenable number.

67278093 is a deficient number, since it is larger than the sum of its proper divisors (22604307).

67278093 is a wasteful number, since it uses less digits than its factorization.

67278093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44571.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 67278093 is about 8202.3224150237. The cubic root of 67278093 is about 406.7159687457.

The spelling of 67278093 in words is "sixty-seven million, two hundred seventy-eight thousand, ninety-three".