14570729784 has 144 divisors (see below), whose sum is σ = 45245725200. Its totient is φ = 4219517952.

The previous prime is 14570729741. The next prime is 14570729807. The reversal of 14570729784 is 48792707541.

It is a self number, because there is not a number n which added to its sum of digits gives 14570729784.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 171637 + ... + 242075.

It is an arithmetic number, because the mean of its divisors is an integer number (314206425).

Almost surely, 2^14570729784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14570729784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22622862600).

14570729784 is an abundant number, since it is smaller than the sum of its proper divisors (30674995416).

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

14570729784 is a wasteful number, since it uses less digits than its factorization.

14570729784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70494 (or 70474 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 54.

The spelling of 14570729784 in words is "fourteen billion, five hundred seventy million, seven hundred twenty-nine thousand, seven hundred eighty-four".