30345674 has 8 divisors (see below), whose sum is σ = 45988068. Its totient is φ = 15016320.

The previous prime is 30345673. The next prime is 30345701. The reversal of 30345674 is 47654303.

It can be written as a sum of positive squares in 2 ways, for example, as 26081449 + 4264225 = 5107^2 + 2065^2 .

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 Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30345674.

It is not an unprimeable number, because it can be changed into a prime (30345673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78017 + ... + 78404.

Almost surely, 2^30345674 is an apocalyptic number.

30345674 is a deficient number, since it is larger than the sum of its proper divisors (15642394).

30345674 is a wasteful number, since it uses less digits than its factorization.

30345674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156520.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 30345674 is about 5508.6907700469. The cubic root of 30345674 is about 311.9121287170.

Adding to 30345674 its reverse (47654303), we get a palindrome (77999977).

The spelling of 30345674 in words is "thirty million, three hundred forty-five thousand, six hundred seventy-four".