29672740068 has 12 divisors (see below), whose sum is σ = 69236393520. Its totient is φ = 9890913352.

The previous prime is 29672740067. The next prime is 29672740079. The reversal of 29672740068 is 86004727692.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 29672740068.

It is not an unprimeable number, because it can be changed into a prime (29672740067) 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, 1236364158 + ... + 1236364181.

It is an arithmetic number, because the mean of its divisors is an integer number (5769699460).

Almost surely, 2^29672740068 is an apocalyptic number.

It is an amenable number.

29672740068 is an abundant number, since it is smaller than the sum of its proper divisors (39563653452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29672740068 is a wasteful number, since it uses less digits than its factorization.

29672740068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472728346 (or 2472728344 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 29672740068 in words is "twenty-nine billion, six hundred seventy-two million, seven hundred forty thousand, sixty-eight".