190773641 has 4 divisors (see below), whose sum is σ = 190920912. Its totient is φ = 190626372.

The previous prime is 190773607. The next prime is 190773647. The reversal of 190773641 is 146377091.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 190773641 - 2²⁶ = 123664777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190773595 and 190773604.

It is not an unprimeable number, because it can be changed into a prime (190773647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71675 + ... + 74288.

It is an arithmetic number, because the mean of its divisors is an integer number (47730228).

Almost surely, 2^190773641 is an apocalyptic number.

It is an amenable number.

190773641 is a deficient number, since it is larger than the sum of its proper divisors (147271).

190773641 is a wasteful number, since it uses less digits than its factorization.

190773641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147270.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 190773641 is about 13812.0831520810. The cubic root of 190773641 is about 575.6689288692.

The spelling of 190773641 in words is "one hundred ninety million, seven hundred seventy-three thousand, six hundred forty-one".