634872467 has 8 divisors (see below), whose sum is σ = 655674240. Its totient is φ = 614090880.

The previous prime is 634872457. The next prime is 634872481. The reversal of 634872467 is 764278436.

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 634872467 - 2⁴ = 634872451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634872457) 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, 84209 + ... + 91437.

It is an arithmetic number, because the mean of its divisors is an integer number (81959280).

Almost surely, 2^634872467 is an apocalyptic number.

634872467 is a deficient number, since it is larger than the sum of its proper divisors (20801773).

634872467 is a wasteful number, since it uses less digits than its factorization.

634872467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10093.

The product of its digits is 1354752, while the sum is 47.

The square root of 634872467 is about 25196.6757132761. The cubic root of 634872467 is about 859.4662575081.

The spelling of 634872467 in words is "six hundred thirty-four million, eight hundred seventy-two thousand, four hundred sixty-seven".