634071 has 8 divisors (see below), whose sum is σ = 849904. Its totient is φ = 420480.

The previous prime is 634061. The next prime is 634079. The reversal of 634071 is 170436.

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

It is not a de Polignac number, because 634071 - 2⁷ = 633943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634079) 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, 285 + ... + 1161.

It is an arithmetic number, because the mean of its divisors is an integer number (106238).

2⁶³⁴⁰⁷¹ is an apocalyptic number.

634071 is a deficient number, since it is larger than the sum of its proper divisors (215833).

634071 is a wasteful number, since it uses less digits than its factorization.

634071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 634071 is about 796.2857527295. The cubic root of 634071 is about 85.9104440007.

The spelling of 634071 in words is "six hundred thirty-four thousand, seventy-one".