634072 has 8 divisors (see below), whose sum is σ = 1188900. Its totient is φ = 317032.

The previous prime is 634061. The next prime is 634079. The reversal of 634072 is 270436.

634072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 39622 + ... + 39637.

2⁶³⁴⁰⁷² is an apocalyptic number.

It is an amenable number.

634072 is a deficient number, since it is larger than the sum of its proper divisors (554828).

634072 is a wasteful number, since it uses less digits than its factorization.

634072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79265 (or 79261 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 634072 is about 796.2863806446. The cubic root of 634072 is about 85.9104891641.

The spelling of 634072 in words is "six hundred thirty-four thousand, seventy-two".