63624081 has 16 divisors (see below), whose sum is σ = 90288000. Its totient is φ = 39714048.

The previous prime is 63624073. The next prime is 63624083. The reversal of 63624081 is 18042636.

It is not a de Polignac number, because 63624081 - 2³ = 63624073 is a prime.

It is a super-2 number, since 2×63624081² = 8096047366189122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63624083) 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, 7015 + ... + 13283.

It is an arithmetic number, because the mean of its divisors is an integer number (5643000).

Almost surely, 2^63624081 is an apocalyptic number.

It is an amenable number.

63624081 is a deficient number, since it is larger than the sum of its proper divisors (26663919).

63624081 is a wasteful number, since it uses less digits than its factorization.

63624081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6488.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 63624081 is about 7976.4704600468. The cubic root of 63624081 is about 399.2152970264.

The spelling of 63624081 in words is "sixty-three million, six hundred twenty-four thousand, eighty-one".