29997974695750 has 32 divisors (see below), whose sum is σ = 56584882040544. Its totient is φ = 11907592996000.

The previous prime is 29997974695729. The next prime is 29997974695751. The reversal of 29997974695750 is 5759647979992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29997974695751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457951597 + ... + 458017096.

It is an arithmetic number, because the mean of its divisors is an integer number (1768277563767).

Almost surely, 2^{29997974695750} is an apocalyptic number.

29997974695750 is a deficient number, since it is larger than the sum of its proper divisors (26586907344794).

29997974695750 is a wasteful number, since it uses less digits than its factorization.

29997974695750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915968841 (or 915968831 counting only the distinct ones).

The product of its (nonzero) digits is 24304568400, while the sum is 88.

The spelling of 29997974695750 in words is "twenty-nine trillion, nine hundred ninety-seven billion, nine hundred seventy-four million, six hundred ninety-five thousand, seven hundred fifty".