30470380 has 24 divisors (see below), whose sum is σ = 65550240. Its totient is φ = 11890560.

The previous prime is 30470371. The next prime is 30470381. The reversal of 30470380 is 8307403.

It is not an unprimeable number, because it can be changed into a prime (30470381) 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 7 ways as a sum of consecutive naturals, for example, 17760 + ... + 19399.

It is an arithmetic number, because the mean of its divisors is an integer number (2731260).

Almost surely, 2^30470380 is an apocalyptic number.

It is an amenable number.

30470380 is an abundant number, since it is smaller than the sum of its proper divisors (35079860).

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

30470380 is a wasteful number, since it uses less digits than its factorization.

30470380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37209 (or 37207 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 30470380 is about 5519.9981884055. The cubic root of 30470380 is about 312.3388139419.

Adding to 30470380 its reverse (8307403), we get a palindrome (38777783).

The spelling of 30470380 in words is "thirty million, four hundred seventy thousand, three hundred eighty".