67235539273984 has 81 divisors (see below), whose sum is σ = 136259261939577. Its totient is φ = 33111682424832.

The previous prime is 67235539273979. The next prime is 67235539273999. The reversal of 67235539273984 is 48937293553276.

The square root of 67235539273984 is 8199728.

It is a perfect power (a square), and thus also a powerful number.

67235539273984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2938234800384 + 64297304473600 = 1714128^2 + 8018560^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8790104592 + ... + 8790112240.

Almost surely, 2^{67235539273984} is an apocalyptic number.

67235539273984 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

67235539273984 is the 8199728-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67235539273984

67235539273984 is an abundant number, since it is smaller than the sum of its proper divisors (69023722665593).

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

67235539273984 is an frugal number, since it uses more digits than its factorization.

67235539273984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15448 (or 7718 counting only the distinct ones).

The product of its digits is 2057529600, while the sum is 73.

The spelling of 67235539273984 in words is "sixty-seven trillion, two hundred thirty-five billion, five hundred thirty-nine million, two hundred seventy-three thousand, nine hundred eighty-four".