29680807 has 4 divisors (see below), whose sum is σ = 31963960. Its totient is φ = 27397656.

The previous prime is 29680753. The next prime is 29680823. The reversal of 29680807 is 70808692.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 29680807 - 2¹⁵ = 29648039 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 29680807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29680207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1141557 + ... + 1141582.

It is an arithmetic number, because the mean of its divisors is an integer number (7990990).

Almost surely, 2^29680807 is an apocalyptic number.

29680807 is a deficient number, since it is larger than the sum of its proper divisors (2283153).

29680807 is a wasteful number, since it uses less digits than its factorization.

29680807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283152.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 29680807 is about 5448.0094530021. The cubic root of 29680807 is about 309.6173113318.

The spelling of 29680807 in words is "twenty-nine million, six hundred eighty thousand, eight hundred seven".