30129699 has 8 divisors (see below), whose sum is σ = 40772800. Its totient is φ = 19786536.

The previous prime is 30129691. The next prime is 30129709. The reversal of 30129699 is 99692103.

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 30129699 - 2³ = 30129691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30129691) 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, 74749 + ... + 75150.

It is an arithmetic number, because the mean of its divisors is an integer number (5096600).

Almost surely, 2^30129699 is an apocalyptic number.

30129699 is a deficient number, since it is larger than the sum of its proper divisors (10643101).

30129699 is a wasteful number, since it uses less digits than its factorization.

30129699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149969.

The product of its (nonzero) digits is 26244, while the sum is 39.

The square root of 30129699 is about 5489.0526505035. The cubic root of 30129699 is about 311.1703901168.

The spelling of 30129699 in words is "thirty million, one hundred twenty-nine thousand, six hundred ninety-nine".