29056734720 has 480 divisors, whose sum is σ = 112417617312. Its totient is φ = 7150436352.

The previous prime is 29056734719. The next prime is 29056734737. The reversal of 29056734720 is 2743765092.

29056734720 is a `hidden beast` number, since 29 + 0 + 567 + 3 + 47 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8085244 + ... + 8088836.

Almost surely, 2^29056734720 is an apocalyptic number.

29056734720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29056734720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56208808656).

29056734720 is an abundant number, since it is smaller than the sum of its proper divisors (83360882592).

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

29056734720 is an equidigital number, since it uses as much as digits as its factorization.

29056734720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3644 (or 3616 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 29056734720 in words is "twenty-nine billion, fifty-six million, seven hundred thirty-four thousand, seven hundred twenty".