634470873 has 8 divisors (see below), whose sum is σ = 847118208. Its totient is φ = 422402064.

The previous prime is 634470869. The next prime is 634470877. The reversal of 634470873 is 378074436.

It is an interprime number because it is at equal distance from previous prime (634470869) and next prime (634470877).

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

It is not a de Polignac number, because 634470873 - 2² = 634470869 is a prime.

It is not an unprimeable number, because it can be changed into a prime (634470877) 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, 142065 + ... + 146462.

It is an arithmetic number, because the mean of its divisors is an integer number (105889776).

Almost surely, 2^634470873 is an apocalyptic number.

It is an amenable number.

634470873 is a deficient number, since it is larger than the sum of its proper divisors (212647335).

634470873 is a wasteful number, since it uses less digits than its factorization.

634470873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289263.

The product of its (nonzero) digits is 338688, while the sum is 42.

The square root of 634470873 is about 25188.7052664483. The cubic root of 634470873 is about 859.2849983771.

The spelling of 634470873 in words is "six hundred thirty-four million, four hundred seventy thousand, eight hundred seventy-three".