63213434 has 8 divisors (see below), whose sum is σ = 94902708. Its totient is φ = 31579200.

The previous prime is 63213419. The next prime is 63213439. The reversal of 63213434 is 43431236.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57714409 + 5499025 = 7597^2 + 2345^2 .

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

It is not an unprimeable number, because it can be changed into a prime (63213439) 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, 10757 + ... + 15560.

Almost surely, 2^63213434 is an apocalyptic number.

63213434 is a deficient number, since it is larger than the sum of its proper divisors (31689274).

63213434 is a wasteful number, since it uses less digits than its factorization.

63213434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27520.

The product of its digits is 5184, while the sum is 26.

The square root of 63213434 is about 7950.6876432168. The cubic root of 63213434 is about 398.3545614444.

The spelling of 63213434 in words is "sixty-three million, two hundred thirteen thousand, four hundred thirty-four".