67055798 has 4 divisors (see below), whose sum is σ = 100583700. Its totient is φ = 33527898.

The previous prime is 67055797. The next prime is 67055843. The reversal of 67055798 is 89755076.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67055797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16763948 + ... + 16763951.

It is an arithmetic number, because the mean of its divisors is an integer number (25145925).

Almost surely, 2^67055798 is an apocalyptic number.

67055798 is a deficient number, since it is larger than the sum of its proper divisors (33527902).

67055798 is a wasteful number, since it uses less digits than its factorization.

67055798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33527901.

The product of its (nonzero) digits is 529200, while the sum is 47.

The square root of 67055798 is about 8188.7604678608. The cubic root of 67055798 is about 406.2675281431.

The spelling of 67055798 in words is "sixty-seven million, fifty-five thousand, seven hundred ninety-eight".