8720352 has 48 divisors (see below), whose sum is σ = 25436880. Its totient is φ = 2906496.

The previous prime is 8720347. The next prime is 8720389. The reversal of 8720352 is 2530278.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-5 number, since 5×8720352⁵ (a number of 36 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4183 + ... + 5910.

It is an arithmetic number, because the mean of its divisors is an integer number (529935).

Almost surely, 2^8720352 is an apocalyptic number.

It is an amenable number.

8720352 is an abundant number, since it is smaller than the sum of its proper divisors (16716528).

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

8720352 is a wasteful number, since it uses less digits than its factorization.

8720352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10112 (or 10098 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 8720352 is about 2953.0242125658. The cubic root of 8720352 is about 205.8312628347.

The spelling of 8720352 in words is "eight million, seven hundred twenty thousand, three hundred fifty-two".