67201721326325 has 24 divisors (see below), whose sum is σ = 83360721968160. Its totient is φ = 53741646792000.

The previous prime is 67201721326301. The next prime is 67201721326331. The reversal of 67201721326325 is 52362312710276.

It is not a de Polignac number, because 67201721326325 - 2⁴² = 62803674815221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67201721326325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 858670046 + ... + 858748304.

It is an arithmetic number, because the mean of its divisors is an integer number (3473363415340).

Almost surely, 2^{67201721326325} is an apocalyptic number.

It is an amenable number.

67201721326325 is a deficient number, since it is larger than the sum of its proper divisors (16159000641835).

67201721326325 is a wasteful number, since it uses less digits than its factorization.

67201721326325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90437 (or 90432 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 67201721326325 in words is "sixty-seven trillion, two hundred one billion, seven hundred twenty-one million, three hundred twenty-six thousand, three hundred twenty-five".