190730671 has 8 divisors (see below), whose sum is σ = 200442704. Its totient is φ = 181258560.

The previous prime is 190730669. The next prime is 190730699. The reversal of 190730671 is 176037091.

It is a happy number.

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

It is not a de Polignac number, because 190730671 - 2¹ = 190730669 is a prime.

It is a super-2 number, since 2×190730671² = 72756377720220482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190730641) 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 7 ways as a sum of consecutive naturals, for example, 58350 + ... + 61531.

It is an arithmetic number, because the mean of its divisors is an integer number (25055338).

Almost surely, 2^190730671 is an apocalyptic number.

190730671 is a deficient number, since it is larger than the sum of its proper divisors (9712033).

190730671 is a wasteful number, since it uses less digits than its factorization.

190730671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119961.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 190730671 is about 13810.5275424221. The cubic root of 190730671 is about 575.6257042546.

The spelling of 190730671 in words is "one hundred ninety million, seven hundred thirty thousand, six hundred seventy-one".