30173669 has 2 divisors, whose sum is σ = 30173670. Its totient is φ = 30173668.

The previous prime is 30173641. The next prime is 30173681. The reversal of 30173669 is 96637103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29430625 + 743044 = 5425^2 + 862^2 .

It is a cyclic number.

It is not a de Polignac number, because 30173669 - 2⁸ = 30173413 is a prime.

It is a super-2 number, since 2×30173669² = 1820900601843122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30173569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15086834 + 15086835.

It is an arithmetic number, because the mean of its divisors is an integer number (15086835).

Almost surely, 2^30173669 is an apocalyptic number.

It is an amenable number.

30173669 is a deficient number, since it is larger than the sum of its proper divisors (1).

30173669 is an equidigital number, since it uses as much as digits as its factorization.

30173669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 30173669 is about 5493.0564351734. The cubic root of 30173669 is about 311.3216861489.

The spelling of 30173669 in words is "thirty million, one hundred seventy-three thousand, six hundred sixty-nine".