29997270270 has 320 divisors, whose sum is σ = 96394795200. Its totient is φ = 6607319040.

The previous prime is 29997270263. The next prime is 29997270301. The reversal of 29997270270 is 7207279992.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 4389216 + ... + 4396044.

It is an arithmetic number, because the mean of its divisors is an integer number (301233735).

Almost surely, 2^29997270270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29997270270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48197397600).

29997270270 is an abundant number, since it is smaller than the sum of its proper divisors (66397524930).

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

29997270270 is a wasteful number, since it uses less digits than its factorization.

29997270270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6905 (or 6896 counting only the distinct ones).

The product of its (nonzero) digits is 2000376, while the sum is 54.

The spelling of 29997270270 in words is "twenty-nine billion, nine hundred ninety-seven million, two hundred seventy thousand, two hundred seventy".