634506067 has 8 divisors (see below), whose sum is σ = 684535824. Its totient is φ = 584650848.

The previous prime is 634506031. The next prime is 634506143. The reversal of 634506067 is 760605436.

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

It is a cyclic number.

It is not a de Polignac number, because 634506067 - 2⁷ = 634505939 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 36028 + ... + 50665.

It is an arithmetic number, because the mean of its divisors is an integer number (85566978).

Almost surely, 2^634506067 is an apocalyptic number.

634506067 is a deficient number, since it is larger than the sum of its proper divisors (50029757).

634506067 is a wasteful number, since it uses less digits than its factorization.

634506067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87269.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 634506067 is about 25189.4038635296. The cubic root of 634506067 is about 859.3008862181.

The spelling of 634506067 in words is "six hundred thirty-four million, five hundred six thousand, sixty-seven".