16472720 has 40 divisors (see below), whose sum is σ = 41783040. Its totient is φ = 5989760.

The previous prime is 16472719. The next prime is 16472723. The reversal of 16472720 is 2727461.

It is a tau number, because it is divible by the number of its divisors (40).

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (16472723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8480 + ... + 10239.

It is an arithmetic number, because the mean of its divisors is an integer number (1044576).

Almost surely, 2^16472720 is an apocalyptic number.

16472720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16472720 is an abundant number, since it is smaller than the sum of its proper divisors (25310320).

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

16472720 is a wasteful number, since it uses less digits than its factorization.

16472720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18743 (or 18737 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 16472720 is about 4058.6598773487. The cubic root of 16472720 is about 254.4417880276.

The spelling of 16472720 in words is "sixteen million, four hundred seventy-two thousand, seven hundred twenty".