663322075 has 24 divisors (see below), whose sum is σ = 916347600. Its totient is φ = 472940160.

The previous prime is 663322061. The next prime is 663322141. The reversal of 663322075 is 570223366.

It is not a de Polignac number, because 663322075 - 2⁹ = 663321563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 663322075.

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 23 ways as a sum of consecutive naturals, for example, 25765 + ... + 44614.

It is an arithmetic number, because the mean of its divisors is an integer number (38181150).

Almost surely, 2^663322075 is an apocalyptic number.

663322075 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

663322075 is a deficient number, since it is larger than the sum of its proper divisors (253025525).

663322075 is a wasteful number, since it uses less digits than its factorization.

663322075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70431 (or 70426 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 663322075 is about 25755.0397980667. The cubic root of 663322075 is about 872.1171299012.

The spelling of 663322075 in words is "six hundred sixty-three million, three hundred twenty-two thousand, seventy-five".