29681701 has 12 divisors (see below), whose sum is σ = 34676748. Its totient is φ = 25331712.

The previous prime is 29681689. The next prime is 29681719. The reversal of 29681701 is 10718692.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19448100 + 10233601 = 4410^2 + 3199^2 .

It is not a de Polignac number, because 29681701 - 2⁷ = 29681573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29681731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11415 + ... + 13771.

It is an arithmetic number, because the mean of its divisors is an integer number (2889729).

Almost surely, 2^29681701 is an apocalyptic number.

It is an amenable number.

29681701 is a deficient number, since it is larger than the sum of its proper divisors (4995047).

29681701 is a wasteful number, since it uses less digits than its factorization.

29681701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628 (or 2621 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 29681701 is about 5448.0915007000. The cubic root of 29681701 is about 309.6204199074.

The spelling of 29681701 in words is "twenty-nine million, six hundred eighty-one thousand, seven hundred one".