67320727406620 has 12 divisors (see below), whose sum is σ = 141373527553944. Its totient is φ = 26928290962640.

The previous prime is 67320727406609. The next prime is 67320727406641. The reversal of 67320727406620 is 2660472702376.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1683018185146 + ... + 1683018185185.

It is an arithmetic number, because the mean of its divisors is an integer number (11781127296162).

Almost surely, 2^{67320727406620} is an apocalyptic number.

It is an amenable number.

67320727406620 is an abundant number, since it is smaller than the sum of its proper divisors (74052800147324).

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

67320727406620 is a wasteful number, since it uses less digits than its factorization.

67320727406620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366036370340 (or 3366036370338 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 52.

The spelling of 67320727406620 in words is "sixty-seven trillion, three hundred twenty billion, seven hundred twenty-seven million, four hundred six thousand, six hundred twenty".