63633412 has 6 divisors (see below), whose sum is σ = 111358478. Its totient is φ = 31816704.

The previous prime is 63633403. The next prime is 63633419. The reversal of 63633412 is 21433636.

It can be written as a sum of positive squares in only one way, i.e., 52504516 + 11128896 = 7246^2 + 3336^2 .

It is a super-2 number, since 2×63633412² = 8098422245523488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63633419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7954173 + ... + 7954180.

Almost surely, 2^63633412 is an apocalyptic number.

It is an amenable number.

63633412 is a deficient number, since it is larger than the sum of its proper divisors (47725066).

63633412 is a wasteful number, since it uses less digits than its factorization.

63633412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15908357 (or 15908355 counting only the distinct ones).

The product of its digits is 7776, while the sum is 28.

The square root of 63633412 is about 7977.0553464295. The cubic root of 63633412 is about 399.2348121523.

The spelling of 63633412 in words is "sixty-three million, six hundred thirty-three thousand, four hundred twelve".