30070404 has 144 divisors (see below), whose sum is σ = 95641728. Its totient is φ = 7755264.

The previous prime is 30070387. The next prime is 30070409. The reversal of 30070404 is 40407003.

It is a Harshad number since it is a multiple of its sum of digits (18).

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

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 219424 + ... + 219560.

Almost surely, 2^30070404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30070404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47820864).

30070404 is an abundant number, since it is smaller than the sum of its proper divisors (65571324).

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

30070404 is a wasteful number, since it uses less digits than its factorization.

30070404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 30070404 is about 5483.6487852524. The cubic root of 30070404 is about 310.9661291401.

Adding to 30070404 its reverse (40407003), we get a palindrome (70477407).

The spelling of 30070404 in words is "thirty million, seventy thousand, four hundred four".