30603140 has 12 divisors (see below), whose sum is σ = 64266636. Its totient is φ = 12241248.

The previous prime is 30603137. The next prime is 30603161. The reversal of 30603140 is 4130603.

It can be written as a sum of positive squares in 2 ways, for example, as 7409284 + 23193856 = 2722^2 + 4816^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765059 + ... + 765098.

It is an arithmetic number, because the mean of its divisors is an integer number (5355553).

Almost surely, 2^30603140 is an apocalyptic number.

It is an amenable number.

30603140 is an abundant number, since it is smaller than the sum of its proper divisors (33663496).

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

30603140 is a wasteful number, since it uses less digits than its factorization.

30603140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530166 (or 1530164 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 30603140 is about 5532.0104844442. The cubic root of 30603140 is about 312.7917786838.

Adding to 30603140 its reverse (4130603), we get a palindrome (34733743).

The spelling of 30603140 in words is "thirty million, six hundred three thousand, one hundred forty".