74634 has 16 divisors (see below), whose sum is σ = 170688. Its totient is φ = 21312.

The previous prime is 74623. The next prime is 74653. The reversal of 74634 is 43647.

It is an Ulam number.

It is a Curzon number.

It is a plaindrome in base 9 and base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847 + ... + 930.

It is an arithmetic number, because the mean of its divisors is an integer number (10668).

2⁷⁴⁶³⁴ is an apocalyptic number.

74634 is an abundant number, since it is smaller than the sum of its proper divisors (96054).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85344).

74634 is a wasteful number, since it uses less digits than its factorization.

74634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789.

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

The square root of 74634 is about 273.1922400069. The cubic root of 74634 is about 42.1029221834.

It can be divided in two parts, 746 and 34, that added together give a triangular number (780 = T₃₉).

The spelling of 74634 in words is "seventy-four thousand, six hundred thirty-four".