634506012 has 36 divisors (see below), whose sum is σ = 1833018096. Its totient is φ = 181287360.

The previous prime is 634505987. The next prime is 634506017. The reversal of 634506012 is 210605436.

634506012 is a `hidden beast` number, since 6 + 3 + 4 + 50 + 601 + 2 = 666.

634506012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634506017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1258689 + ... + 1259192.

Almost surely, 2^634506012 is an apocalyptic number.

It is an amenable number.

634506012 is an abundant number, since it is smaller than the sum of its proper divisors (1198512084).

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

634506012 is a wasteful number, since it uses less digits than its factorization.

634506012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2517898 (or 2517893 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 634506012 is about 25189.4027718007. The cubic root of 634506012 is about 859.3008613896.

The spelling of 634506012 in words is "six hundred thirty-four million, five hundred six thousand, twelve".