190743430 has 8 divisors (see below), whose sum is σ = 343338192. Its totient is φ = 76297368.

The previous prime is 190743409. The next prime is 190743431. The reversal of 190743430 is 34347091.

190743430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 190743392 and 190743401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190743431) 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, 9537162 + ... + 9537181.

It is an arithmetic number, because the mean of its divisors is an integer number (42917274).

Almost surely, 2^190743430 is an apocalyptic number.

190743430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190743430 is a deficient number, since it is larger than the sum of its proper divisors (152594762).

190743430 is a wasteful number, since it uses less digits than its factorization.

190743430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19074350.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 190743430 is about 13810.9894649152. The cubic root of 190743430 is about 575.6385395344.

The spelling of 190743430 in words is "one hundred ninety million, seven hundred forty-three thousand, four hundred thirty".