63621232 has 10 divisors (see below), whose sum is σ = 123266168. Its totient is φ = 31810608.

The previous prime is 63621211. The next prime is 63621277. The reversal of 63621232 is 23212636.

It is a happy number.

It is a super-2 number, since 2×63621232² = 8095322322395648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63621197 and 63621206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1988148 + ... + 1988179.

Almost surely, 2^63621232 is an apocalyptic number.

It is an amenable number.

63621232 is a deficient number, since it is larger than the sum of its proper divisors (59644936).

63621232 is a wasteful number, since it uses less digits than its factorization.

63621232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976335 (or 3976329 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

The square root of 63621232 is about 7976.2918702866. The cubic root of 63621232 is about 399.2093381644.

Adding to 63621232 its reverse (23212636), we get a palindrome (86833868).

The spelling of 63621232 in words is "sixty-three million, six hundred twenty-one thousand, two hundred thirty-two".