52720068 has 24 divisors (see below), whose sum is σ = 123772768. Its totient is φ = 17464896.

The previous prime is 52720067. The next prime is 52720121. The reversal of 52720068 is 86002725.

It is not an unprimeable number, because it can be changed into a prime (52720061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11521 + ... + 15432.

Almost surely, 2^52720068 is an apocalyptic number.

It is an amenable number.

52720068 is an abundant number, since it is smaller than the sum of its proper divisors (71052700).

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

52720068 is a wasteful number, since it uses less digits than its factorization.

52720068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27123 (or 27121 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 52720068 is about 7260.8586269118. The cubic root of 52720068 is about 374.9660840438.

The spelling of 52720068 in words is "fifty-two million, seven hundred twenty thousand, sixty-eight".