634074 has 32 divisors (see below), whose sum is σ = 1499136. Its totient is φ = 174960.

The previous prime is 634061. The next prime is 634079. The reversal of 634074 is 470436.

It is not an unprimeable number, because it can be changed into a prime (634079) by changing a digit.

634074 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1059 + ... + 1545.

It is an arithmetic number, because the mean of its divisors is an integer number (46848).

2⁶³⁴⁰⁷⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 634074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749568).

634074 is an abundant number, since it is smaller than the sum of its proper divisors (865062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

634074 is a wasteful number, since it uses less digits than its factorization.

634074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 634074 is about 796.2876364732. The cubic root of 634074 is about 85.9105794907.

The spelling of 634074 in words is "six hundred thirty-four thousand, seventy-four".