30012270 has 16 divisors (see below), whose sum is σ = 72029520. Its totient is φ = 8003264.

The previous prime is 30012239. The next prime is 30012289. The reversal of 30012270 is 7221003.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent 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, 500175 + ... + 500234.

It is an arithmetic number, because the mean of its divisors is an integer number (4501845).

Almost surely, 2^30012270 is an apocalyptic number.

30012270 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30012270 is an abundant number, since it is smaller than the sum of its proper divisors (42017250).

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

30012270 is a wasteful number, since it uses less digits than its factorization.

30012270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000419.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 30012270 is about 5478.3455531757. The cubic root of 30012270 is about 310.7656067579.

Adding to 30012270 its reverse (7221003), we get a palindrome (37233273).

The spelling of 30012270 in words is "thirty million, twelve thousand, two hundred seventy".