16247472 has 80 divisors (see below), whose sum is σ = 44282880. Its totient is φ = 5126400.

The previous prime is 16247471. The next prime is 16247501. The reversal of 16247472 is 27474261.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (16247471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90679 + ... + 90857.

It is an arithmetic number, because the mean of its divisors is an integer number (553536).

Almost surely, 2^16247472 is an apocalyptic number.

16247472 is a gapful number since it is divisible by the number (12) 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 16247472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22141440).

16247472 is an abundant number, since it is smaller than the sum of its proper divisors (28035408).

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

16247472 is a wasteful number, since it uses less digits than its factorization.

16247472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 276 counting only the distinct ones).

The product of its digits is 18816, while the sum is 33.

The square root of 16247472 is about 4030.8153021442. The cubic root of 16247472 is about 253.2767155714.

The spelling of 16247472 in words is "sixteen million, two hundred forty-seven thousand, four hundred seventy-two".