30540069 has 12 divisors (see below), whose sum is σ = 50415456. Its totient is φ = 17451432.

The previous prime is 30540017. The next prime is 30540079. The reversal of 30540069 is 96004503.

It is a happy number.

It is not a de Polignac number, because 30540069 - 2⁷ = 30539941 is a prime.

It is a super-2 number, since 2×30540069² = 1865391629049522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30540079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242319 + ... + 242444.

It is an arithmetic number, because the mean of its divisors is an integer number (4201288).

Almost surely, 2^30540069 is an apocalyptic number.

It is an amenable number.

30540069 is a deficient number, since it is larger than the sum of its proper divisors (19875387).

30540069 is a wasteful number, since it uses less digits than its factorization.

30540069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484776 (or 484773 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 30540069 is about 5526.3069947298. The cubic root of 30540069 is about 312.5767500020.

The spelling of 30540069 in words is "thirty million, five hundred forty thousand, sixty-nine".