29140685 has 8 divisors (see below), whose sum is σ = 39964416. Its totient is φ = 19982160.

The previous prime is 29140673. The next prime is 29140691. The reversal of 29140685 is 58604192.

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

It is a de Polignac number, because none of the positive numbers 2^k-29140685 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 832591 = 29140685 / (2 + 9 + 1 + 4 + 0 + 6 + 8 + 5).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416261 + ... + 416330.

It is an arithmetic number, because the mean of its divisors is an integer number (4995552).

Almost surely, 2^29140685 is an apocalyptic number.

It is an amenable number.

29140685 is a deficient number, since it is larger than the sum of its proper divisors (10823731).

29140685 is an equidigital number, since it uses as much as digits as its factorization.

29140685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832603.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 29140685 is about 5398.2112778216. The cubic root of 29140685 is about 307.7276961621.

The spelling of 29140685 in words is "twenty-nine million, one hundred forty thousand, six hundred eighty-five".