30329690 has 8 divisors (see below), whose sum is σ = 54593460. Its totient is φ = 12131872.

The previous prime is 30329671. The next prime is 30329693. The reversal of 30329690 is 9692303.

It can be written as a sum of positive squares in 2 ways, for example, as 30019441 + 310249 = 5479^2 + 557^2 .

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

It is a super-2 number, since 2×30329690² = 1839780190992200, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (30329693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1516475 + ... + 1516494.

Almost surely, 2^30329690 is an apocalyptic number.

30329690 is a deficient number, since it is larger than the sum of its proper divisors (24263770).

30329690 is a wasteful number, since it uses less digits than its factorization.

30329690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3032976.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 30329690 is about 5507.2397805071. The cubic root of 30329690 is about 311.8573545277.

The spelling of 30329690 in words is "thirty million, three hundred twenty-nine thousand, six hundred ninety".