73000219 has 4 divisors (see below), whose sum is σ = 74000296. Its totient is φ = 72000144.

The previous prime is 73000217. The next prime is 73000237. The reversal of 73000219 is 91200037.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91200037 = 23 ⋅3965219.

It is a cyclic number.

It is not a de Polignac number, because 73000219 - 2¹ = 73000217 is a prime.

It is a super-2 number, since 2×73000219² = 10658063948095922, which contains 22 as substring.

It is a Duffinian number.

73000219 is a modest number, since divided by 219 gives 73 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 73000219.

It is not an unprimeable number, because it can be changed into a prime (73000211) 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, 499929 + ... + 500074.

It is an arithmetic number, because the mean of its divisors is an integer number (18500074).

Almost surely, 2^73000219 is an apocalyptic number.

73000219 is a deficient number, since it is larger than the sum of its proper divisors (1000077).

73000219 is a wasteful number, since it uses less digits than its factorization.

73000219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000076.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 73000219 is about 8544.0165613135. The cubic root of 73000219 is about 417.9343375716.

The spelling of 73000219 in words is "seventy-three million, two hundred nineteen", and thus it is an aban number.