30560000 has 90 divisors (see below), whose sum is σ = 76625472. Its totient is φ = 12160000.

The previous prime is 30559993. The next prime is 30560009. The reversal of 30560000 is 6503.

30560000 = T₃₅₅ + T₃₅₆ + ... + T₆₁₀.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30560009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 159905 + ... + 160095.

Almost surely, 2^30560000 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 30560000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38312736).

30560000 is an abundant number, since it is smaller than the sum of its proper divisors (46065472).

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

30560000 is an frugal number, since it uses more digits than its factorization.

30560000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 30560000 is about 5528.1099844341. The cubic root of 30560000 is about 312.6447329572.

Adding to 30560000 its reverse (6503), we get a palindrome (30566503).

The spelling of 30560000 in words is "thirty million, five hundred sixty thousand".