30379873 has 2 divisors, whose sum is σ = 30379874. Its totient is φ = 30379872.

The previous prime is 30379871. The next prime is 30379889. The reversal of 30379873 is 37897303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22353984 + 8025889 = 4728^2 + 2833^2 .

It is a cyclic number.

It is not a de Polignac number, because 30379873 - 2¹ = 30379871 is a prime.

It is a super-2 number, since 2×30379873² = 1845873366992258, which contains 22 as substring.

Together with 30379871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30379871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15189936 + 15189937.

It is an arithmetic number, because the mean of its divisors is an integer number (15189937).

Almost surely, 2^30379873 is an apocalyptic number.

It is an amenable number.

30379873 is a deficient number, since it is larger than the sum of its proper divisors (1).

30379873 is an equidigital number, since it uses as much as digits as its factorization.

30379873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 30379873 is about 5511.7939910704. The cubic root of 30379873 is about 312.0292577483.

The spelling of 30379873 in words is "thirty million, three hundred seventy-nine thousand, eight hundred seventy-three".