67028378524752 has 80 divisors (see below), whose sum is σ = 173713016030400. Its totient is φ = 22271099175936.

The previous prime is 67028378524739. The next prime is 67028378524769. The reversal of 67028378524752 is 25742587382076.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20803458 + ... + 23808414.

It is an arithmetic number, because the mean of its divisors is an integer number (2171412700380).

Almost surely, 2^{67028378524752} is an apocalyptic number.

It is an amenable number.

67028378524752 is an abundant number, since it is smaller than the sum of its proper divisors (106684637505648).

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

67028378524752 is a wasteful number, since it uses less digits than its factorization.

67028378524752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3006460 (or 3006454 counting only the distinct ones).

The product of its (nonzero) digits is 316108800, while the sum is 66.

The spelling of 67028378524752 in words is "sixty-seven trillion, twenty-eight billion, three hundred seventy-eight million, five hundred twenty-four thousand, seven hundred fifty-two".