8016720 has 40 divisors (see below), whose sum is σ = 24852576. Its totient is φ = 2137728.

The previous prime is 8016713. The next prime is 8016733. The reversal of 8016720 is 276108.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an Ulam number.

It is a congruent number.

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, 16462 + ... + 16941.

Almost surely, 2^8016720 is an apocalyptic number.

8016720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8016720 is an abundant number, since it is smaller than the sum of its proper divisors (16835856).

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

8016720 is a wasteful number, since it uses less digits than its factorization.

8016720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33419 (or 33413 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 8016720 is about 2831.3812883467. The cubic root of 8016720 is about 200.1392363770.

The spelling of 8016720 in words is "eight million, sixteen thousand, seven hundred twenty".