30530504 has 32 divisors (see below), whose sum is σ = 62710200. Its totient is φ = 13870080.

The previous prime is 30530503. The next prime is 30530519. The reversal of 30530504 is 40503503.

It can be written as a sum of positive squares in 4 ways, for example, as 26112100 + 4418404 = 5110^2 + 2102^2 .

It is a super-2 number, since 2×30530504² = 1864223348988032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30530501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74 + ... + 7814.

Almost surely, 2^30530504 is an apocalyptic number.

30530504 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30530504 is an abundant number, since it is smaller than the sum of its proper divisors (32179696).

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

30530504 is a wasteful number, since it uses less digits than its factorization.

30530504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7793 (or 7789 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 30530504 is about 5525.4415208199. The cubic root of 30530504 is about 312.5441140923.

The spelling of 30530504 in words is "thirty million, five hundred thirty thousand, five hundred four".