29706661 has 8 divisors (see below), whose sum is σ = 30330720. Its totient is φ = 29088048.

The previous prime is 29706641. The next prime is 29706689. The reversal of 29706661 is 16660792.

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

It is a cyclic number.

It is not a de Polignac number, because 29706661 - 2¹³ = 29698469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29706661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29706601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10755 + ... + 13231.

It is an arithmetic number, because the mean of its divisors is an integer number (3791340).

Almost surely, 2^29706661 is an apocalyptic number.

It is an amenable number.

29706661 is a deficient number, since it is larger than the sum of its proper divisors (624059).

29706661 is a wasteful number, since it uses less digits than its factorization.

29706661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2723.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 29706661 is about 5450.3817297507. The cubic root of 29706661 is about 309.7071844816.

The spelling of 29706661 in words is "twenty-nine million, seven hundred six thousand, six hundred sixty-one".