67810003344 has 60 divisors (see below), whose sum is σ = 189791581356. Its totient is φ = 22601220096.

The previous prime is 67810003337. The next prime is 67810003357. The reversal of 67810003344 is 44330001876.

It can be written as a sum of positive squares in 2 ways, for example, as 11726290944 + 56083712400 = 108288^2 + 236820^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 67810003299 and 67810003308.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 2616112 + ... + 2641904.

Almost surely, 2^67810003344 is an apocalyptic number.

It is an amenable number.

67810003344 is an abundant number, since it is smaller than the sum of its proper divisors (121981578012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67810003344 is a wasteful number, since it uses less digits than its factorization.

67810003344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44064 (or 44055 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 67810003344 in words is "sixty-seven billion, eight hundred ten million, three thousand, three hundred forty-four".