30470004 has 18 divisors (see below), whose sum is σ = 77021490. Its totient is φ = 10156656.

The previous prime is 30470003. The next prime is 30470017. The reversal of 30470004 is 40007403.

It can be written as a sum of positive squares in only one way, i.e., 28515600 + 1954404 = 5340^2 + 1398^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×30470004² = 1856842287520032, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30470003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 423159 + ... + 423230.

Almost surely, 2^30470004 is an apocalyptic number.

It is an amenable number.

30470004 is an abundant number, since it is smaller than the sum of its proper divisors (46551486).

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

30470004 is a wasteful number, since it uses less digits than its factorization.

30470004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846399 (or 846394 counting only the distinct ones).

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

The square root of 30470004 is about 5519.9641303182. The cubic root of 30470004 is about 312.3375291983.

Adding to 30470004 its reverse (40007403), we get a palindrome (70477407).

The spelling of 30470004 in words is "thirty million, four hundred seventy thousand, four".