199674719 has 8 divisors (see below), whose sum is σ = 201398400. Its totient is φ = 197957656.

The previous prime is 199674653. The next prime is 199674731. The reversal of 199674719 is 917476991.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199674719 is a prime.

It is a super-2 number, since 2×199674719² = 79739986815457922, 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 (199674119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72632 + ... + 75330.

It is an arithmetic number, because the mean of its divisors is an integer number (25174800).

Almost surely, 2^199674719 is an apocalyptic number.

199674719 is a deficient number, since it is larger than the sum of its proper divisors (1723681).

199674719 is a wasteful number, since it uses less digits than its factorization.

199674719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309.

The product of its digits is 857304, while the sum is 53.

The square root of 199674719 is about 14130.6305237948. The cubic root of 199674719 is about 584.4863331360.

The spelling of 199674719 in words is "one hundred ninety-nine million, six hundred seventy-four thousand, seven hundred nineteen".