30140570 has 48 divisors (see below), whose sum is σ = 58748760. Its totient is φ = 11112192.

The previous prime is 30140569. The next prime is 30140629. The reversal of 30140570 is 7504103.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 15217801 + 14922769 = 3901^2 + 3863^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 568664 + ... + 568716.

Almost surely, 2^30140570 is an apocalyptic number.

30140570 is a deficient number, since it is larger than the sum of its proper divisors (28608190).

30140570 is a wasteful number, since it uses less digits than its factorization.

30140570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 30140570 is about 5490.0428049333. The cubic root of 30140570 is about 311.2078097467.

Adding to 30140570 its reverse (7504103), we get a palindrome (37644673).

The spelling of 30140570 in words is "thirty million, one hundred forty thousand, five hundred seventy".