190073 has 4 divisors (see below), whose sum is σ = 204708. Its totient is φ = 175440.

The previous prime is 190063. The next prime is 190093. The reversal of 190073 is 370091.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7744 + 182329 = 88^2 + 427^2 .

It is a cyclic number.

It is not a de Polignac number, because 190073 - 2⁸ = 189817 is a prime.

It is a super-2 number, since 2×190073² = 72255490658, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (190063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7298 + ... + 7323.

It is an arithmetic number, because the mean of its divisors is an integer number (51177).

2¹⁹⁰⁰⁷³ is an apocalyptic number.

190073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

190073 is a deficient number, since it is larger than the sum of its proper divisors (14635).

190073 is a wasteful number, since it uses less digits than its factorization.

190073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14634.

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 190073 is about 435.9736230553. The cubic root of 190073 is about 57.4963324693.

The spelling of 190073 in words is "one hundred ninety thousand, seventy-three".