29766689 has 2 divisors, whose sum is σ = 29766690. Its totient is φ = 29766688.

The previous prime is 29766683. The next prime is 29766713. The reversal of 29766689 is 98666792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19430464 + 10336225 = 4408^2 + 3215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29766689 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 29766689.

It is not a weakly prime, because it can be changed into another prime (29766683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14883344 + 14883345.

It is an arithmetic number, because the mean of its divisors is an integer number (14883345).

Almost surely, 2^29766689 is an apocalyptic number.

It is an amenable number.

29766689 is a deficient number, since it is larger than the sum of its proper divisors (1).

29766689 is an equidigital number, since it uses as much as digits as its factorization.

29766689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 53.

The square root of 29766689 is about 5455.8857209439. The cubic root of 29766689 is about 309.9156516961.

The spelling of 29766689 in words is "twenty-nine million, seven hundred sixty-six thousand, six hundred eighty-nine".