30504340 has 12 divisors (see below), whose sum is σ = 64059156. Its totient is φ = 12201728.

The previous prime is 30504337. The next prime is 30504343. The reversal of 30504340 is 4340503.

It is an interprime number because it is at equal distance from previous prime (30504337) and next prime (30504343).

It can be written as a sum of positive squares in 2 ways, for example, as 17673616 + 12830724 = 4204^2 + 3582^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30504343) 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, 762589 + ... + 762628.

It is an arithmetic number, because the mean of its divisors is an integer number (5338263).

Almost surely, 2^30504340 is an apocalyptic number.

It is an amenable number.

30504340 is an abundant number, since it is smaller than the sum of its proper divisors (33554816).

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

30504340 is a wasteful number, since it uses less digits than its factorization.

30504340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525226 (or 1525224 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 30504340 is about 5523.0734197546. The cubic root of 30504340 is about 312.4548073314.

Adding to 30504340 its reverse (4340503), we get a palindrome (34844843).

The spelling of 30504340 in words is "thirty million, five hundred four thousand, three hundred forty".