30680198 has 8 divisors (see below), whose sum is σ = 46467408. Its totient is φ = 15191064.

The previous prime is 30680179. The next prime is 30680201. The reversal of 30680198 is 89108603.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74261 + ... + 74672.

It is an arithmetic number, because the mean of its divisors is an integer number (5808426).

Almost surely, 2^30680198 is an apocalyptic number.

30680198 is a deficient number, since it is larger than the sum of its proper divisors (15787210).

30680198 is a wasteful number, since it uses less digits than its factorization.

30680198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149038.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 30680198 is about 5538.9708430357. The cubic root of 30680198 is about 313.0540927991.

The spelling of 30680198 in words is "thirty million, six hundred eighty thousand, one hundred ninety-eight".