30813074 has 8 divisors (see below), whose sum is σ = 46323900. Its totient is φ = 15371776.

The previous prime is 30813071. The next prime is 30813089. The reversal of 30813074 is 47031803.

It can be written as a sum of positive squares in 2 ways, for example, as 30747025 + 66049 = 5545^2 + 257^2 .

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

It is not an unprimeable number, because it can be changed into a prime (30813071) 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, 16259 + ... + 18054.

Almost surely, 2^30813074 is an apocalyptic number.

30813074 is a deficient number, since it is larger than the sum of its proper divisors (15510826).

30813074 is a wasteful number, since it uses less digits than its factorization.

30813074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34764.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 30813074 is about 5550.9525308725. The cubic root of 30813074 is about 313.5053878759.

Adding to 30813074 its reverse (47031803), we get a palindrome (77844877).

The spelling of 30813074 in words is "thirty million, eight hundred thirteen thousand, seventy-four".