29140666 has 8 divisors (see below), whose sum is σ = 44098164. Its totient is φ = 14441280.

The previous prime is 29140649. The next prime is 29140673. The reversal of 29140666 is 66604192.

It can be written as a sum of positive squares in 2 ways, for example, as 28933641 + 207025 = 5379^2 + 455^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64245 + ... + 64696.

Almost surely, 2^29140666 is an apocalyptic number.

29140666 is a deficient number, since it is larger than the sum of its proper divisors (14957498).

29140666 is a wasteful number, since it uses less digits than its factorization.

29140666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129056.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 29140666 is about 5398.2095179791. The cubic root of 29140666 is about 307.7276292816.

The spelling of 29140666 in words is "twenty-nine million, one hundred forty thousand, six hundred sixty-six".