34724 has 6 divisors (see below), whose sum is σ = 60774. Its totient is φ = 17360.

The previous prime is 34721. The next prime is 34729. The reversal of 34724 is 42743.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 33124 + 1600 = 182^2 + 40^2 .

It is a junction number, because it is equal to n+sod(n) for n = 34696 and 34705.

It is not an unprimeable number, because it can be changed into a prime (34721) by changing a digit.

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 as a sum of consecutive naturals, namely, 4337 + ... + 4344.

It is an arithmetic number, because the mean of its divisors is an integer number (10129).

2³⁴⁷²⁴ is an apocalyptic number.

It is an amenable number.

34724 is a deficient number, since it is larger than the sum of its proper divisors (26050).

34724 is a wasteful number, since it uses less digits than its factorization.

34724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8685 (or 8683 counting only the distinct ones).

The product of its digits is 672, while the sum is 20.

The square root of 34724 is about 186.3437683423. The cubic root of 34724 is about 32.6244537814.

The spelling of 34724 in words is "thirty-four thousand, seven hundred twenty-four".