29769149 has 4 divisors (see below), whose sum is σ = 29835900. Its totient is φ = 29702400.

The previous prime is 29769133. The next prime is 29769151. The reversal of 29769149 is 94196792.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9966649 + 19802500 = 3157^2 + 4450^2 .

It is a cyclic number.

It is not a de Polignac number, because 29769149 - 2⁴ = 29769133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29799149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32702 + ... + 33599.

It is an arithmetic number, because the mean of its divisors is an integer number (7458975).

Almost surely, 2^29769149 is an apocalyptic number.

It is an amenable number.

29769149 is a deficient number, since it is larger than the sum of its proper divisors (66751).

29769149 is an equidigital number, since it uses as much as digits as its factorization.

29769149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66750.

The product of its digits is 244944, while the sum is 47.

The square root of 29769149 is about 5456.1111608911. Note that the first 4 decimals coincide. The cubic root of 29769149 is about 309.9241888846.

The spelling of 29769149 in words is "twenty-nine million, seven hundred sixty-nine thousand, one hundred forty-nine".