15754749472 has 96 divisors (see below), whose sum is σ = 39400712064. Its totient is φ = 6022348800.

The previous prime is 15754749463. The next prime is 15754749481. The reversal of 15754749472 is 27494745751.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (15754749463) and next prime (15754749481).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70272 + ... + 190912.

It is an arithmetic number, because the mean of its divisors is an integer number (410424084).

Almost surely, 2^15754749472 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 15754749472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19700356032).

15754749472 is an abundant number, since it is smaller than the sum of its proper divisors (23645962592).

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

15754749472 is a wasteful number, since it uses less digits than its factorization.

15754749472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120722 (or 120714 counting only the distinct ones).

The product of its digits is 9878400, while the sum is 55.

The spelling of 15754749472 in words is "fifteen billion, seven hundred fifty-four million, seven hundred forty-nine thousand, four hundred seventy-two".