29997974695760 has 40 divisors (see below), whose sum is σ = 69757059655296. Its totient is φ = 11997165192320.

The previous prime is 29997974695757. The next prime is 29997974695813. The reversal of 29997974695760 is 6759647979992.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31158596 + ... + 32106915.

Almost surely, 2^{29997974695760} is an apocalyptic number.

29997974695760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29997974695760 is an abundant number, since it is smaller than the sum of its proper divisors (39759084959536).

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

29997974695760 is a wasteful number, since it uses less digits than its factorization.

29997974695760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63271451 (or 63271445 counting only the distinct ones).

The product of its (nonzero) digits is 29165482080, while the sum is 89.

The spelling of 29997974695760 in words is "twenty-nine trillion, nine hundred ninety-seven billion, nine hundred seventy-four million, six hundred ninety-five thousand, seven hundred sixty".