30470669 has 2 divisors, whose sum is σ = 30470670. Its totient is φ = 30470668.

The previous prime is 30470651. The next prime is 30470683. The reversal of 30470669 is 96607403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26522500 + 3948169 = 5150^2 + 1987^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30470669 is a prime.

It is a super-2 number, since 2×30470669² = 1856923338615122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30470639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15235334 + 15235335.

It is an arithmetic number, because the mean of its divisors is an integer number (15235335).

Almost surely, 2^30470669 is an apocalyptic number.

It is an amenable number.

30470669 is a deficient number, since it is larger than the sum of its proper divisors (1).

30470669 is an equidigital number, since it uses as much as digits as its factorization.

30470669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 30470669 is about 5520.0243658883. The cubic root of 30470669 is about 312.3398014106.

The spelling of 30470669 in words is "thirty million, four hundred seventy thousand, six hundred sixty-nine".