30070400 has 48 divisors (see below), whose sum is σ = 74291190. Its totient is φ = 12026880.

The previous prime is 30070387. The next prime is 30070409. The reversal of 30070400 is 407003.

It can be written as a sum of positive squares in 3 ways, for example, as 11888704 + 18181696 = 3448^2 + 4264^2 .

It is not an unprimeable number, because it can be changed into a prime (30070409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1499 + ... + 7898.

Almost surely, 2^30070400 is an apocalyptic number.

It is an amenable number.

30070400 is an abundant number, since it is smaller than the sum of its proper divisors (44220790).

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

30070400 is an equidigital number, since it uses as much as digits as its factorization.

30070400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9421 (or 9404 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 30070400 is about 5483.6484205317. The cubic root of 30070400 is about 310.9661153517.

Adding to 30070400 its reverse (407003), we get a palindrome (30477403).

The spelling of 30070400 in words is "thirty million, seventy thousand, four hundred".