29712489 has 8 divisors (see below), whose sum is σ = 40364352. Its totient is φ = 19434480.

The previous prime is 29712479. The next prime is 29712497. The reversal of 29712489 is 98421792.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29712489 - 2⁵ = 29712457 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 29712489.

It is not an unprimeable number, because it can be changed into a prime (29712439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93277 + ... + 93594.

It is an arithmetic number, because the mean of its divisors is an integer number (5045544).

Almost surely, 2^29712489 is an apocalyptic number.

It is an amenable number.

29712489 is a deficient number, since it is larger than the sum of its proper divisors (10651863).

29712489 is a wasteful number, since it uses less digits than its factorization.

29712489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186927.

The product of its digits is 72576, while the sum is 42.

The square root of 29712489 is about 5450.9163449827. The cubic root of 29712489 is about 309.7274364541.

It can be divided in two parts, 2971 and 2489, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 29712489 in words is "twenty-nine million, seven hundred twelve thousand, four hundred eighty-nine".