30069491 has 8 divisors (see below), whose sum is σ = 31206000. Its totient is φ = 28939680.

The previous prime is 30069467. The next prime is 30069521. The reversal of 30069491 is 19496003.

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

It is a de Polignac number, because none of the positive numbers 2^k-30069491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30069791) 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, 8636 + ... + 11606.

It is an arithmetic number, because the mean of its divisors is an integer number (3900750).

Almost surely, 2^30069491 is an apocalyptic number.

30069491 is a deficient number, since it is larger than the sum of its proper divisors (1136509).

30069491 is a wasteful number, since it uses less digits than its factorization.

30069491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 30069491 is about 5483.5655371300. The cubic root of 30069491 is about 310.9629819154.

The spelling of 30069491 in words is "thirty million, sixty-nine thousand, four hundred ninety-one".