30180970 has 16 divisors (see below), whose sum is σ = 55217448. Its totient is φ = 11874240.

The previous prime is 30180947. The next prime is 30180971. The reversal of 30180970 is 7908103.

It can be written as a sum of positive squares in 4 ways, for example, as 11336689 + 18844281 = 3367^2 + 4341^2 .

It is not an unprimeable number, because it can be changed into a prime (30180971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24129 + ... + 25348.

Almost surely, 2^30180970 is an apocalyptic number.

30180970 is a deficient number, since it is larger than the sum of its proper divisors (25036478).

30180970 is a wasteful number, since it uses less digits than its factorization.

30180970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49545.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 30180970 is about 5493.7209612429. The cubic root of 30180970 is about 311.3467938715.

The spelling of 30180970 in words is "thirty million, one hundred eighty thousand, nine hundred seventy".