199970754 has 8 divisors (see below), whose sum is σ = 399941520. Its totient is φ = 66656916.

The previous prime is 199970731. The next prime is 199970767. The reversal of 199970754 is 457079991.

It is a happy number.

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

199970754 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 199970697 and 199970706.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16664224 + ... + 16664235.

It is an arithmetic number, because the mean of its divisors is an integer number (49992690).

Almost surely, 2^199970754 is an apocalyptic number.

199970754 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199970754 is a wasteful number, since it uses less digits than its factorization.

199970754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33328464.

The product of its (nonzero) digits is 714420, while the sum is 51.

The square root of 199970754 is about 14141.1015836815. The cubic root of 199970754 is about 584.7750409788.

The spelling of 199970754 in words is "one hundred ninety-nine million, nine hundred seventy thousand, seven hundred fifty-four".