30709214 has 8 divisors (see below), whose sum is σ = 46494648. Its totient is φ = 15211000.

The previous prime is 30709201. The next prime is 30709229. The reversal of 30709214 is 41290703.

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

It is an alternating number because its digits alternate between odd and even.

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, 71537 + ... + 71964.

It is an arithmetic number, because the mean of its divisors is an integer number (5811831).

Almost surely, 2^30709214 is an apocalyptic number.

30709214 is a deficient number, since it is larger than the sum of its proper divisors (15785434).

30709214 is a wasteful number, since it uses less digits than its factorization.

30709214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143610.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 30709214 is about 5541.5894831718. The cubic root of 30709214 is about 313.1527526952.

Adding to 30709214 its reverse (41290703), we get a palindrome (71999917).

The spelling of 30709214 in words is "thirty million, seven hundred nine thousand, two hundred fourteen".