29680312 has 32 divisors (see below), whose sum is σ = 57268800. Its totient is φ = 14413824.

The previous prime is 29680309. The next prime is 29680319. The reversal of 29680312 is 21308692.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29680319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72364 + ... + 72772.

It is an arithmetic number, because the mean of its divisors is an integer number (1789650).

Almost surely, 2^29680312 is an apocalyptic number.

It is an amenable number.

29680312 is a deficient number, since it is larger than the sum of its proper divisors (27588488).

29680312 is a wasteful number, since it uses less digits than its factorization.

29680312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 29680312 is about 5447.9640233761. The cubic root of 29680312 is about 309.6155901138.

It can be divided in two parts, 29680 and 312, that added together give a palindrome (29992).

The spelling of 29680312 in words is "twenty-nine million, six hundred eighty thousand, three hundred twelve".