29680618 has 8 divisors (see below), whose sum is σ = 48568320. Its totient is φ = 13491180.

The previous prime is 29680613. The next prime is 29680619. The reversal of 29680618 is 81608692.

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

It is not an unprimeable number, because it can be changed into a prime (29680613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674538 + ... + 674581.

It is an arithmetic number, because the mean of its divisors is an integer number (6071040).

Almost surely, 2^29680618 is an apocalyptic number.

29680618 is a deficient number, since it is larger than the sum of its proper divisors (18887702).

29680618 is a wasteful number, since it uses less digits than its factorization.

29680618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349132.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 29680618 is about 5447.9921071896. The cubic root of 29680618 is about 309.6166541418.

The spelling of 29680618 in words is "twenty-nine million, six hundred eighty thousand, six hundred eighteen".