29661712 has 10 divisors (see below), whose sum is σ = 57469598. Its totient is φ = 14830848.

The previous prime is 29661707. The next prime is 29661713. The reversal of 29661712 is 21716692.

It can be written as a sum of positive squares in only one way, i.e., 28259856 + 1401856 = 5316^2 + 1184^2 .

It is not an unprimeable number, because it can be changed into a prime (29661713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 926913 + ... + 926944.

Almost surely, 2^29661712 is an apocalyptic number.

It is an amenable number.

29661712 is a deficient number, since it is larger than the sum of its proper divisors (27807886).

29661712 is a wasteful number, since it uses less digits than its factorization.

29661712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853865 (or 1853859 counting only the distinct ones).

The product of its digits is 9072, while the sum is 34.

The square root of 29661712 is about 5446.2566961171. The cubic root of 29661712 is about 309.5509001674.

The spelling of 29661712 in words is "twenty-nine million, six hundred sixty-one thousand, seven hundred twelve".