63320707 has 4 divisors (see below), whose sum is σ = 63479016. Its totient is φ = 63162400.

The previous prime is 63320683. The next prime is 63320723. The reversal of 63320707 is 70702336.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63320707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63320737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78553 + ... + 79354.

It is an arithmetic number, because the mean of its divisors is an integer number (15869754).

Almost surely, 2^63320707 is an apocalyptic number.

63320707 is a deficient number, since it is larger than the sum of its proper divisors (158309).

63320707 is a wasteful number, since it uses less digits than its factorization.

63320707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158308.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 63320707 is about 7957.4309296405. The cubic root of 63320707 is about 398.5797695820.

The spelling of 63320707 in words is "sixty-three million, three hundred twenty thousand, seven hundred seven".