73049 has 4 divisors (see below), whose sum is σ = 77364. Its totient is φ = 68736.

The previous prime is 73043. The next prime is 73061. The reversal of 73049 is 94037.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94037 = 271 ⋅347.

It can be written as a sum of positive squares in 2 ways, for example, as 48400 + 24649 = 220^2 + 157^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (73043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2132 + ... + 2165.

It is an arithmetic number, because the mean of its divisors is an integer number (19341).

2⁷³⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

73049 is a deficient number, since it is larger than the sum of its proper divisors (4315).

73049 is a wasteful number, since it uses less digits than its factorization.

73049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4314.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 73049 is about 270.2757850789. The cubic root of 73049 is about 41.8027409053.

The spelling of 73049 in words is "seventy-three thousand, forty-nine".