29961297306 has 32 divisors (see below), whose sum is σ = 66734478720. Its totient is φ = 9964026432.

The previous prime is 29961297287. The next prime is 29961297343. The reversal of 29961297306 is 60379216992.

29961297306 is a `hidden beast` number, since 299 + 61 + 297 + 3 + 0 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617310 + ... + 664073.

It is an arithmetic number, because the mean of its divisors is an integer number (2085452460).

Almost surely, 2^29961297306 is an apocalyptic number.

29961297306 is an abundant number, since it is smaller than the sum of its proper divisors (36773181414).

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

29961297306 is a wasteful number, since it uses less digits than its factorization.

29961297306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281827 (or 1281821 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The spelling of 29961297306 in words is "twenty-nine billion, nine hundred sixty-one million, two hundred ninety-seven thousand, three hundred six".