190729 has 8 divisors (see below), whose sum is σ = 237888. Its totient is φ = 148560.
The previous prime is 190717. The next prime is 190753. The reversal of 190729 is 927091.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 190729 - 211 = 188681 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 190697 and 190706.
It is not an unprimeable number, because it can be changed into a prime (190709) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1162 + ... + 1315.
It is an arithmetic number, because the mean of its divisors is an integer number (29736).
2190729 is an apocalyptic number.
It is an amenable number.
190729 is a deficient number, since it is larger than the sum of its proper divisors (47159).
190729 is a wasteful number, since it uses less digits than its factorization.
190729 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2495.
The product of its (nonzero) digits is 1134, while the sum is 28.
The square root of 190729 is about 436.7253141278. The cubic root of 190729 is about 57.5624023222.
It can be divided in two parts, 1907 and 29, that added together give a square (1936 = 442).
The spelling of 190729 in words is "one hundred ninety thousand, seven hundred twenty-nine".
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