190849073 has 4 divisors (see below), whose sum is σ = 191215908. Its totient is φ = 190482240.

The previous prime is 190849049. The next prime is 190849117. The reversal of 190849073 is 370948091.

It is a happy number.

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 131974144 + 58874929 = 11488^2 + 7673^2 .

It is a cyclic number.

It is not a de Polignac number, because 190849073 - 2²⁶ = 123740209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190849073.

It is not an unprimeable number, because it can be changed into a prime (190849003) 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, 182636 + ... + 183677.

It is an arithmetic number, because the mean of its divisors is an integer number (47803977).

Almost surely, 2^190849073 is an apocalyptic number.

It is an amenable number.

190849073 is a deficient number, since it is larger than the sum of its proper divisors (366835).

190849073 is an equidigital number, since it uses as much as digits as its factorization.

190849073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366834.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 190849073 is about 13814.8135347532. The cubic root of 190849073 is about 575.7447921390.

The spelling of 190849073 in words is "one hundred ninety million, eight hundred forty-nine thousand, seventy-three".