8723402740 has 96 divisors (see below), whose sum is σ = 21669822720. Its totient is φ = 2918716416.

The previous prime is 8723402707. The next prime is 8723402771. The reversal of 8723402740 is 472043278.

It is a self number, because there is not a number n which added to its sum of digits gives 8723402740.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75232 + ... + 152008.

It is an arithmetic number, because the mean of its divisors is an integer number (225727320).

Almost surely, 2^8723402740 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 8723402740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10834911360).

8723402740 is an abundant number, since it is smaller than the sum of its proper divisors (12946419980).

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

8723402740 is a wasteful number, since it uses less digits than its factorization.

8723402740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76841 (or 76839 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 8723402740 is about 93399.1581332509. The cubic root of 8723402740 is about 2058.5526280076.

The spelling of 8723402740 in words is "eight billion, seven hundred twenty-three million, four hundred two thousand, seven hundred forty".