634276671 has 16 divisors (see below), whose sum is σ = 971862528. Its totient is φ = 360439200.

The previous prime is 634276649. The next prime is 634276679. The reversal of 634276671 is 176672436.

It is a happy number.

It is not a de Polignac number, because 634276671 - 2¹¹ = 634274623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634276679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79635 + ... + 87236.

It is an arithmetic number, because the mean of its divisors is an integer number (60741408).

Almost surely, 2^634276671 is an apocalyptic number.

634276671 is a deficient number, since it is larger than the sum of its proper divisors (337585857).

634276671 is a wasteful number, since it uses less digits than its factorization.

634276671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167062.

The product of its digits is 254016, while the sum is 42.

The square root of 634276671 is about 25184.8500293331. The cubic root of 634276671 is about 859.1973180221.

The spelling of 634276671 in words is "six hundred thirty-four million, two hundred seventy-six thousand, six hundred seventy-one".