67333333940 has 12 divisors (see below), whose sum is σ = 141400001316. Its totient is φ = 26933333568.

The previous prime is 67333333937. The next prime is 67333333943. The reversal of 67333333940 is 4933333376.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (67333333937) and next prime (67333333943).

It can be written as a sum of positive squares in 2 ways, for example, as 23946943504 + 43386390436 = 154748^2 + 208294^2 .

It is a junction number, because it is equal to n+sod(n) for n = 67333333891 and 67333333900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67333333943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1683333329 + ... + 1683333368.

It is an arithmetic number, because the mean of its divisors is an integer number (11783333443).

Almost surely, 2^67333333940 is an apocalyptic number.

It is an amenable number.

67333333940 is an abundant number, since it is smaller than the sum of its proper divisors (74066667376).

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

67333333940 is a wasteful number, since it uses less digits than its factorization.

67333333940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366666706 (or 3366666704 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 44.

The spelling of 67333333940 in words is "sixty-seven billion, three hundred thirty-three million, three hundred thirty-three thousand, nine hundred forty".