30001066 has 4 divisors (see below), whose sum is σ = 45001602. Its totient is φ = 15000532.

The previous prime is 30001063. The next prime is 30001067. The reversal of 30001066 is 66010003.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22043025 + 7958041 = 4695^2 + 2821^2 .

It is a super-2 number, since 2×30001066² = 1800127922272712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30001063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7500265 + ... + 7500268.

Almost surely, 2^30001066 is an apocalyptic number.

30001066 is a deficient number, since it is larger than the sum of its proper divisors (15000536).

30001066 is a wasteful number, since it uses less digits than its factorization.

30001066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15000535.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 30001066 is about 5477.3228862283. The cubic root of 30001066 is about 310.7269308961.

Adding to 30001066 its reverse (66010003), we get a palindrome (96011069).

The spelling of 30001066 in words is "thirty million, one thousand, sixty-six".