67702993505 has 12 divisors (see below), whose sum is σ = 94507852500. Its totient is φ = 46424909664.

The previous prime is 67702993487. The next prime is 67702993513. The reversal of 67702993505 is 50539920776.

It can be written as a sum of positive squares in 2 ways, for example, as 17473667344 + 50229326161 = 132188^2 + 224119^2 .

It is not a de Polignac number, because 67702993505 - 2¹⁰ = 67702992481 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 138169130 + ... + 138169619.

It is an arithmetic number, because the mean of its divisors is an integer number (7875654375).

Almost surely, 2^67702993505 is an apocalyptic number.

It is an amenable number.

67702993505 is a deficient number, since it is larger than the sum of its proper divisors (26804858995).

67702993505 is a wasteful number, since it uses less digits than its factorization.

67702993505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276338768 (or 276338761 counting only the distinct ones).

The product of its (nonzero) digits is 3572100, while the sum is 53.

The spelling of 67702993505 in words is "sixty-seven billion, seven hundred two million, nine hundred ninety-three thousand, five hundred five".