15716480 has 64 divisors (see below), whose sum is σ = 40483800. Its totient is φ = 5799936.

The previous prime is 15716447. The next prime is 15716501. The reversal of 15716480 is 8461751.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9684544 + 6031936 = 3112^2 + 2456^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7376 + ... + 9264.

Almost surely, 2^15716480 is an apocalyptic number.

15716480 is a gapful number since it is divisible by the number (10) 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 15716480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20241900).

15716480 is an abundant number, since it is smaller than the sum of its proper divisors (24767320).

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

15716480 is a wasteful number, since it uses less digits than its factorization.

15716480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921 (or 1909 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 15716480 is about 3964.4015941880. The cubic root of 15716480 is about 250.4869442587.

The spelling of 15716480 in words is "fifteen million, seven hundred sixteen thousand, four hundred eighty".