30734071 has 2 divisors, whose sum is σ = 30734072. Its totient is φ = 30734070.

The previous prime is 30734047. The next prime is 30734089. The reversal of 30734071 is 17043703.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30734071 - 2¹³ = 30725879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30734021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15367035 + 15367036.

It is an arithmetic number, because the mean of its divisors is an integer number (15367036).

Almost surely, 2^30734071 is an apocalyptic number.

30734071 is a deficient number, since it is larger than the sum of its proper divisors (1).

30734071 is an equidigital number, since it uses as much as digits as its factorization.

30734071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 30734071 is about 5543.8317975927. The cubic root of 30734071 is about 313.2372217919.

Adding to 30734071 its reverse (17043703), we get a palindrome (47777774).

The spelling of 30734071 in words is "thirty million, seven hundred thirty-four thousand, seventy-one".