63212406 has 32 divisors (see below), whose sum is σ = 130098528. Its totient is φ = 20463360.

The previous prime is 63212399. The next prime is 63212417. The reversal of 63212406 is 60421236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71640 + ... + 72516.

It is an arithmetic number, because the mean of its divisors is an integer number (4065579).

Almost surely, 2^63212406 is an apocalyptic number.

63212406 is an abundant number, since it is smaller than the sum of its proper divisors (66886122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63212406 is a wasteful number, since it uses less digits than its factorization.

63212406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 63212406 is about 7950.6229944577. The cubic root of 63212406 is about 398.3524020368.

The spelling of 63212406 in words is "sixty-three million, two hundred twelve thousand, four hundred six".