52720067 has 2 divisors, whose sum is σ = 52720068. Its totient is φ = 52720066.

The previous prime is 52720061. The next prime is 52720121. The reversal of 52720067 is 76002725.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52720067 - 2¹⁴ = 52703683 is a prime.

It is not a weakly prime, because it can be changed into another prime (52720061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26360033 + 26360034.

It is an arithmetic number, because the mean of its divisors is an integer number (26360034).

Almost surely, 2^52720067 is an apocalyptic number.

52720067 is a deficient number, since it is larger than the sum of its proper divisors (1).

52720067 is an equidigital number, since it uses as much as digits as its factorization.

52720067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 52720067 is about 7260.8585580495. The cubic root of 52720067 is about 374.9660816730.

The spelling of 52720067 in words is "fifty-two million, seven hundred twenty thousand, sixty-seven".