8742320552 has 64 divisors (see below), whose sum is σ = 18957120000. Its totient is φ = 3702122496.

The previous prime is 8742320519. The next prime is 8742320621. The reversal of 8742320552 is 2550232478.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5643074 + ... + 5644622.

It is an arithmetic number, because the mean of its divisors is an integer number (296205000).

Almost surely, 2^8742320552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8742320552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9478560000).

8742320552 is an abundant number, since it is smaller than the sum of its proper divisors (10214799448).

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

8742320552 is a wasteful number, since it uses less digits than its factorization.

8742320552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698 (or 2694 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 8742320552 is about 93500.3772826613. The cubic root of 8742320552 is about 2060.0396316251.

The spelling of 8742320552 in words is "eight billion, seven hundred forty-two million, three hundred twenty thousand, five hundred fifty-two".