30090736 has 20 divisors (see below), whose sum is σ = 62785912. Its totient is φ = 13887936.

The previous prime is 30090733. The next prime is 30090743. The reversal of 30090736 is 63709003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30090733) 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, 72126 + ... + 72541.

Almost surely, 2^30090736 is an apocalyptic number.

It is an amenable number.

30090736 is an abundant number, since it is smaller than the sum of its proper divisors (32695176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30090736 is a wasteful number, since it uses less digits than its factorization.

30090736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144688 (or 144682 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 30090736 is about 5485.5023470964. The cubic root of 30090736 is about 311.0361995752.

Adding to 30090736 its reverse (63709003), we get a palindrome (93799739).

The spelling of 30090736 in words is "thirty million, ninety thousand, seven hundred thirty-six".