29680531 has 8 divisors (see below), whose sum is σ = 30349760. Its totient is φ = 29018088.

The previous prime is 29680529. The next prime is 29680571. The reversal of 29680531 is 13508692.

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

It is a cyclic number.

It is not a de Polignac number, because 29680531 - 2¹ = 29680529 is a prime.

It is a super-2 number, since 2×29680531² = 1761867840883922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29680501) 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 7 ways as a sum of consecutive naturals, for example, 7720 + ... + 10906.

It is an arithmetic number, because the mean of its divisors is an integer number (3793720).

Almost surely, 2^29680531 is an apocalyptic number.

29680531 is a deficient number, since it is larger than the sum of its proper divisors (669229).

29680531 is a wasteful number, since it uses less digits than its factorization.

29680531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 29680531 is about 5447.9841225907. The cubic root of 29680531 is about 309.6163516248.

The spelling of 29680531 in words is "twenty-nine million, six hundred eighty thousand, five hundred thirty-one".