63320770 has 8 divisors (see below), whose sum is σ = 113977404. Its totient is φ = 25328304.

The previous prime is 63320737. The next prime is 63320809. The reversal of 63320770 is 7702336.

It can be written as a sum of positive squares in 2 ways, for example, as 58537801 + 4782969 = 7651^2 + 2187^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3166029 + ... + 3166048.

Almost surely, 2^63320770 is an apocalyptic number.

63320770 is a deficient number, since it is larger than the sum of its proper divisors (50656634).

63320770 is a wasteful number, since it uses less digits than its factorization.

63320770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6332084.

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

The square root of 63320770 is about 7957.4348882036. The cubic root of 63320770 is about 398.5799017690.

The spelling of 63320770 in words is "sixty-three million, three hundred twenty thousand, seven hundred seventy".