29754725420 has 96 divisors (see below), whose sum is σ = 76444300800. Its totient is φ = 9500834304.

The previous prime is 29754725411. The next prime is 29754725423. The reversal of 29754725420 is 2452745792.

It is not an unprimeable number, because it can be changed into a prime (29754725423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62144 + ... + 251736.

It is an arithmetic number, because the mean of its divisors is an integer number (796294800).

Almost surely, 2^29754725420 is an apocalyptic number.

29754725420 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 29754725420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38222150400).

29754725420 is an abundant number, since it is smaller than the sum of its proper divisors (46689575380).

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

29754725420 is a wasteful number, since it uses less digits than its factorization.

29754725420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189687 (or 189685 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 47.

It can be divided in two parts, 2975472 and 5420, that added together give a palindrome (2980892).

The spelling of 29754725420 in words is "twenty-nine billion, seven hundred fifty-four million, seven hundred twenty-five thousand, four hundred twenty".