29749968 has 30 divisors (see below), whose sum is σ = 83258994. Its totient is φ = 9916608.

The previous prime is 29749963. The next prime is 29750009. The reversal of 29749968 is 86994792.

29749968 is a `hidden beast` number, since 2 + 97 + 499 + 68 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23155344 + 6594624 = 4812^2 + 2568^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29749963) 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 5 ways as a sum of consecutive naturals, for example, 103155 + ... + 103442.

Almost surely, 2^29749968 is an apocalyptic number.

It is an amenable number.

29749968 is an abundant number, since it is smaller than the sum of its proper divisors (53509026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29749968 is a wasteful number, since it uses less digits than its factorization.

29749968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206611 (or 206602 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 29749968 is about 5454.3531238819. The cubic root of 29749968 is about 309.8576106396.

The spelling of 29749968 in words is "twenty-nine million, seven hundred forty-nine thousand, nine hundred sixty-eight".