190200769 has 4 divisors (see below), whose sum is σ = 207491760. Its totient is φ = 172909780.

The previous prime is 190200761. The next prime is 190200793. The reversal of 190200769 is 967002091.

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, and also an emirpimes, since its reverse is a distinct semiprime: 967002091 = 11 ⋅87909281.

It is a cyclic number.

It is not a de Polignac number, because 190200769 - 2³ = 190200761 is a prime.

It is a super-2 number, since 2×190200769² = 72352665056382722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190200761) 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, 8645479 + ... + 8645500.

It is an arithmetic number, because the mean of its divisors is an integer number (51872940).

Almost surely, 2^190200769 is an apocalyptic number.

It is an amenable number.

190200769 is a deficient number, since it is larger than the sum of its proper divisors (17290991).

190200769 is a wasteful number, since it uses less digits than its factorization.

190200769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17290990.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 190200769 is about 13791.3294863113. The cubic root of 190200769 is about 575.0921278974.

It can be divided in two parts, 190200 and 769, that added together give a square (190969 = 437²).

The spelling of 190200769 in words is "one hundred ninety million, two hundred thousand, seven hundred sixty-nine".