30215274 has 16 divisors (see below), whose sum is σ = 62514720. Its totient is φ = 9724400.

The previous prime is 30215243. The next prime is 30215293. The reversal of 30215274 is 47251203.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86652 + ... + 86999.

It is an arithmetic number, because the mean of its divisors is an integer number (3907170).

Almost surely, 2^30215274 is an apocalyptic number.

30215274 is an abundant number, since it is smaller than the sum of its proper divisors (32299446).

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

30215274 is a wasteful number, since it uses less digits than its factorization.

30215274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173685.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 30215274 is about 5496.8421843819. The cubic root of 30215274 is about 311.4647091944.

Adding to 30215274 its reverse (47251203), we get a palindrome (77466477).

It can be divided in two parts, 302 and 15274, that added together give a triangular number (15576 = T₁₇₆).

The spelling of 30215274 in words is "thirty million, two hundred fifteen thousand, two hundred seventy-four".