63320949 has 48 divisors (see below), whose sum is σ = 99590400. Its totient is φ = 38683008.

The previous prime is 63320947. The next prime is 63320951. The reversal of 63320949 is 94902336.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (63320947) and next prime (63320951).

It is not a de Polignac number, because 63320949 - 2¹ = 63320947 is a prime.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 762862 + ... + 762944.

It is an arithmetic number, because the mean of its divisors is an integer number (2074800).

Almost surely, 2^63320949 is an apocalyptic number.

It is an amenable number.

63320949 is a deficient number, since it is larger than the sum of its proper divisors (36269451).

63320949 is a wasteful number, since it uses less digits than its factorization.

63320949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 63320949 is about 7957.4461355387. The cubic root of 63320949 is about 398.5802773473.

The spelling of 63320949 in words is "sixty-three million, three hundred twenty thousand, nine hundred forty-nine".