63320706 has 24 divisors (see below), whose sum is σ = 137555964. Its totient is φ = 21051360.

The previous prime is 63320683. The next prime is 63320723. The reversal of 63320706 is 60702336.

63320706 is a `hidden beast` number, since 633 + 20 + 7 + 0 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 52490025 + 10830681 = 7245^2 + 3291^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 63320706.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2716 + ... + 11576.

Almost surely, 2^63320706 is an apocalyptic number.

63320706 is an abundant number, since it is smaller than the sum of its proper divisors (74235258).

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

63320706 is a wasteful number, since it uses less digits than its factorization.

63320706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9266 (or 9263 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 63320706 is about 7957.4308668062. The cubic root of 63320706 is about 398.5797674838.

The spelling of 63320706 in words is "sixty-three million, three hundred twenty thousand, seven hundred six".