30070814 has 4 divisors (see below), whose sum is σ = 45106224. Its totient is φ = 15035406.

The previous prime is 30070813. The next prime is 30070819. The reversal of 30070814 is 41807003.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30070814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30070813) 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 as a sum of consecutive naturals, namely, 7517702 + ... + 7517705.

It is an arithmetic number, because the mean of its divisors is an integer number (11276556).

Almost surely, 2^30070814 is an apocalyptic number.

30070814 is a deficient number, since it is larger than the sum of its proper divisors (15035410).

30070814 is a wasteful number, since it uses less digits than its factorization.

30070814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15035409.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 30070814 is about 5483.6861689925. The cubic root of 30070814 is about 310.9675424404.

Adding to 30070814 its reverse (41807003), we get a palindrome (71877817).

The spelling of 30070814 in words is "thirty million, seventy thousand, eight hundred fourteen".