63412402 has 8 divisors (see below), whose sum is σ = 95514012. Its totient is φ = 31574400.

The previous prime is 63412387. The next prime is 63412409. The reversal of 63412402 is 20421436.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 60855601 + 2556801 = 7801^2 + 1599^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×63412402² = 8042265454819208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63412409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65299 + ... + 66262.

Almost surely, 2^63412402 is an apocalyptic number.

63412402 is a deficient number, since it is larger than the sum of its proper divisors (32101610).

63412402 is a wasteful number, since it uses less digits than its factorization.

63412402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131804.

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

The square root of 63412402 is about 7963.1904410230. The cubic root of 63412402 is about 398.7720718383.

Adding to 63412402 its reverse (20421436), we get a palindrome (83833838).

The spelling of 63412402 in words is "sixty-three million, four hundred twelve thousand, four hundred two".