8042720 has 96 divisors (see below), whose sum is σ = 22353408. Its totient is φ = 2677248.

The previous prime is 8042711. The next prime is 8042729. The reversal of 8042720 is 272408.

It is an interprime number because it is at equal distance from previous prime (8042711) and next prime (8042729).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8042729) 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, 48077 + ... + 48243.

It is an arithmetic number, because the mean of its divisors is an integer number (232848).

Almost surely, 2^8042720 is an apocalyptic number.

8042720 is a gapful number since it is divisible by the number (80) 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 8042720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11176704).

8042720 is an abundant number, since it is smaller than the sum of its proper divisors (14310688).

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

8042720 is a wasteful number, since it uses less digits than its factorization.

8042720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 8042720 is about 2835.9689702111. The cubic root of 8042720 is about 200.3553681933.

The spelling of 8042720 in words is "eight million, forty-two thousand, seven hundred twenty".