67220760625 has 10 divisors (see below), whose sum is σ = 83999063258. Its totient is φ = 53776608000.

The previous prime is 67220760619. The next prime is 67220760637. The reversal of 67220760625 is 52606702276.

It can be written as a sum of positive squares in 5 ways, for example, as 22529109409 + 44691651216 = 150097^2 + 211404^2 .

It is not a de Polignac number, because 67220760625 - 2¹⁹ = 67220236337 is a prime.

It is a Duffinian number.

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 9 ways as a sum of consecutive naturals, for example, 53775984 + ... + 53777233.

Almost surely, 2^67220760625 is an apocalyptic number.

It is an amenable number.

67220760625 is a deficient number, since it is larger than the sum of its proper divisors (16778302633).

67220760625 is an equidigital number, since it uses as much as digits as its factorization.

67220760625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107553237 (or 107553222 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 67220760625 in words is "sixty-seven billion, two hundred twenty million, seven hundred sixty thousand, six hundred twenty-five".