29680659 has 12 divisors (see below), whose sum is σ = 44350800. Its totient is φ = 19104624.

The previous prime is 29680619. The next prime is 29680661. The reversal of 29680659 is 95608692.

It is not a de Polignac number, because 29680659 - 2⁸ = 29680403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29680619) 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, 56599 + ... + 57120.

It is an arithmetic number, because the mean of its divisors is an integer number (3695900).

Almost surely, 2^29680659 is an apocalyptic number.

29680659 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

29680659 is a deficient number, since it is larger than the sum of its proper divisors (14670141).

29680659 is a wasteful number, since it uses less digits than its factorization.

29680659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113754 (or 113751 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 29680659 is about 5447.9958700425. The cubic root of 29680659 is about 309.6167967070.

Adding to 29680659 its sum of digits (45), we get a square (29680704 = 5448²).

The spelling of 29680659 in words is "twenty-nine million, six hundred eighty thousand, six hundred fifty-nine".