63420412 has 12 divisors (see below), whose sum is σ = 121075416. Its totient is φ = 28827440.

The previous prime is 63420403. The next prime is 63420431. The reversal of 63420412 is 21402436.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720643 + ... + 720730.

It is an arithmetic number, because the mean of its divisors is an integer number (10089618).

Almost surely, 2^63420412 is an apocalyptic number.

It is an amenable number.

63420412 is a deficient number, since it is larger than the sum of its proper divisors (57655004).

63420412 is a wasteful number, since it uses less digits than its factorization.

63420412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441388 (or 1441386 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 63420412 is about 7963.6933642626. The cubic root of 63420412 is about 398.7888615604.

Adding to 63420412 its reverse (21402436), we get a palindrome (84822848).

The spelling of 63420412 in words is "sixty-three million, four hundred twenty thousand, four hundred twelve".