30720314 has 8 divisors (see below), whose sum is σ = 46159200. Its totient is φ = 15333916.

The previous prime is 30720307. The next prime is 30720331. The reversal of 30720314 is 41302703.

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

It is a Curzon 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, 11624 + ... + 14019.

It is an arithmetic number, because the mean of its divisors is an integer number (5769900).

Almost surely, 2^30720314 is an apocalyptic number.

30720314 is a deficient number, since it is larger than the sum of its proper divisors (15438886).

30720314 is a wasteful number, since it uses less digits than its factorization.

30720314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26244.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 30720314 is about 5542.5909103956. The cubic root of 30720314 is about 313.1904783632.

The spelling of 30720314 in words is "thirty million, seven hundred twenty thousand, three hundred fourteen".