67116478 has 16 divisors (see below), whose sum is σ = 118275696. Its totient is φ = 28160640.

The previous prime is 67116451. The next prime is 67116479. The reversal of 67116478 is 87461176.

It is a self number, because there is not a number n which added to its sum of digits gives 67116478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67116479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117051 + ... + 117622.

It is an arithmetic number, because the mean of its divisors is an integer number (7392231).

Almost surely, 2^67116478 is an apocalyptic number.

67116478 is a deficient number, since it is larger than the sum of its proper divisors (51159218).

67116478 is a wasteful number, since it uses less digits than its factorization.

67116478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234699.

The product of its digits is 56448, while the sum is 40.

The square root of 67116478 is about 8192.4647084989. The cubic root of 67116478 is about 406.3900374661.

The spelling of 67116478 in words is "sixty-seven million, one hundred sixteen thousand, four hundred seventy-eight".