720364755 has 32 divisors (see below), whose sum is σ = 1261548288. Its totient is φ = 348105600.

The previous prime is 720364753. The next prime is 720364781. The reversal of 720364755 is 557463027.

It is not a de Polignac number, because 720364755 - 2¹ = 720364753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (720364753) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 43545 + ... + 57765.

It is an arithmetic number, because the mean of its divisors is an integer number (39423384).

Almost surely, 2^720364755 is an apocalyptic number.

720364755 is a deficient number, since it is larger than the sum of its proper divisors (541183533).

720364755 is a wasteful number, since it uses less digits than its factorization.

720364755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14547.

The product of its (nonzero) digits is 176400, while the sum is 39.

The square root of 720364755 is about 26839.6116775187. The cubic root of 720364755 is about 896.4322769810.

The spelling of 720364755 in words is "seven hundred twenty million, three hundred sixty-four thousand, seven hundred fifty-five".