199729676 has 6 divisors (see below), whose sum is σ = 349526940. Its totient is φ = 99864836.

The previous prime is 199729661. The next prime is 199729681. The reversal of 199729676 is 676927991.

199729676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24966206 + ... + 24966213.

It is an arithmetic number, because the mean of its divisors is an integer number (58254490).

Almost surely, 2^199729676 is an apocalyptic number.

It is an amenable number.

199729676 is a deficient number, since it is larger than the sum of its proper divisors (149797264).

199729676 is a wasteful number, since it uses less digits than its factorization.

199729676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49932423 (or 49932421 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 56.

The square root of 199729676 is about 14132.5749953786. The cubic root of 199729676 is about 584.5399514559.

The spelling of 199729676 in words is "one hundred ninety-nine million, seven hundred twenty-nine thousand, six hundred seventy-six".