30140771 has 8 divisors (see below), whose sum is σ = 31289664. Its totient is φ = 29013120.

The previous prime is 30140753. The next prime is 30140777. The reversal of 30140771 is 17704103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30140771 - 2¹⁴ = 30124387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30140777) 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, 2390 + ... + 8123.

It is an arithmetic number, because the mean of its divisors is an integer number (3911208).

Almost surely, 2^30140771 is an apocalyptic number.

30140771 is a deficient number, since it is larger than the sum of its proper divisors (1148893).

30140771 is a wasteful number, since it uses less digits than its factorization.

30140771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10621.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 30140771 is about 5490.0611107710. The cubic root of 30140771 is about 311.2085015344.

Adding to 30140771 its reverse (17704103), we get a palindrome (47844874).

The spelling of 30140771 in words is "thirty million, one hundred forty thousand, seven hundred seventy-one".