72034 has 4 divisors (see below), whose sum is σ = 108054. Its totient is φ = 36016.

The previous prime is 72031. The next prime is 72043. The reversal of 72034 is 43027.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43027 = 17 ⋅2531.

It can be written as a sum of positive squares in only one way, i.e., 61009 + 11025 = 247^2 + 105^2 .

It is a junction number, because it is equal to n+sod(n) for n = 71999 and 72017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72031) 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, 18007 + ... + 18010.

2⁷²⁰³⁴ is an apocalyptic number.

72034 is a deficient number, since it is larger than the sum of its proper divisors (36020).

72034 is a wasteful number, since it uses less digits than its factorization.

72034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36019.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 72034 is about 268.3915050817. The cubic root of 72034 is about 41.6082238426.

The spelling of 72034 in words is "seventy-two thousand, thirty-four".