63320946 has 32 divisors (see below), whose sum is σ = 137446848. Its totient is φ = 19331520.

The previous prime is 63320911. The next prime is 63320947. The reversal of 63320946 is 64902336.

It is not an unprimeable number, because it can be changed into a prime (63320947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7120 + ... + 13316.

It is an arithmetic number, because the mean of its divisors is an integer number (4295214).

Almost surely, 2^63320946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63320946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68723424).

63320946 is an abundant number, since it is smaller than the sum of its proper divisors (74125902).

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

63320946 is a wasteful number, since it uses less digits than its factorization.

63320946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6346.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 63320946 is about 7957.4459470360. The cubic root of 63320946 is about 398.5802710527.

The spelling of 63320946 in words is "sixty-three million, three hundred twenty thousand, nine hundred forty-six".