29930749 has 4 divisors (see below), whose sum is σ = 30159360. Its totient is φ = 29702140.

The previous prime is 29930737. The next prime is 29930753. The reversal of 29930749 is 94703992.

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 29930749 - 2⁹ = 29930237 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 (29930729) 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, 114109 + ... + 114370.

It is an arithmetic number, because the mean of its divisors is an integer number (7539840).

Almost surely, 2^29930749 is an apocalyptic number.

It is an amenable number.

29930749 is a deficient number, since it is larger than the sum of its proper divisors (228611).

29930749 is a wasteful number, since it uses less digits than its factorization.

29930749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228610.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 29930749 is about 5470.9002001499. The cubic root of 29930749 is about 310.4839786603.

The spelling of 29930749 in words is "twenty-nine million, nine hundred thirty thousand, seven hundred forty-nine".