29746729194 has 256 divisors, whose sum is σ = 79403520000. Its totient is φ = 7361383680.

The previous prime is 29746729147. The next prime is 29746729237. The reversal of 29746729194 is 49192764792.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 70657104 + ... + 70657524.

It is an arithmetic number, because the mean of its divisors is an integer number (310170000).

Almost surely, 2^29746729194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29746729194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39701760000).

29746729194 is an abundant number, since it is smaller than the sum of its proper divisors (49656790806).

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

29746729194 is a wasteful number, since it uses less digits than its factorization.

29746729194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 604 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 60.

The spelling of 29746729194 in words is "twenty-nine billion, seven hundred forty-six million, seven hundred twenty-nine thousand, one hundred ninety-four".