29772149 has 4 divisors (see below), whose sum is σ = 32478720. Its totient is φ = 27065580.

The previous prime is 29772139. The next prime is 29772157. The reversal of 29772149 is 94127792.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29772149 - 2⁴ = 29772133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29772139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1353269 + ... + 1353290.

It is an arithmetic number, because the mean of its divisors is an integer number (8119680).

Almost surely, 2^29772149 is an apocalyptic number.

It is an amenable number.

29772149 is a deficient number, since it is larger than the sum of its proper divisors (2706571).

29772149 is a wasteful number, since it uses less digits than its factorization.

29772149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706570.

The product of its digits is 63504, while the sum is 41.

The square root of 29772149 is about 5456.3860750500. The cubic root of 29772149 is about 309.9345994535.

The spelling of 29772149 in words is "twenty-nine million, seven hundred seventy-two thousand, one hundred forty-nine".