63472320 has 84 divisors (see below), whose sum is σ = 218328240. Its totient is φ = 16925184.

The previous prime is 63472319. The next prime is 63472327. The reversal of 63472320 is 2327436.

63472320 is a `hidden beast` number, since 634 + 7 + 2 + 3 + 20 = 666.

It is not an unprimeable number, because it can be changed into a prime (63472327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8140 + ... + 13899.

Almost surely, 2^63472320 is an apocalyptic number.

63472320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63472320 is an abundant number, since it is smaller than the sum of its proper divisors (154855920).

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

63472320 is a wasteful number, since it uses less digits than its factorization.

63472320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22062 (or 22049 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 63472320 is about 7966.9517382748. The cubic root of 63472320 is about 398.8976314163.

Adding to 63472320 its reverse (2327436), we get a palindrome (65799756).

The spelling of 63472320 in words is "sixty-three million, four hundred seventy-two thousand, three hundred twenty".