8211296730 has 128 divisors (see below), whose sum is σ = 24846829056. Its totient is φ = 1690214400.

The previous prime is 8211296713. The next prime is 8211296749. The reversal of 8211296730 is 376921128.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 75250 + ... + 148610.

It is an arithmetic number, because the mean of its divisors is an integer number (194115852).

Almost surely, 2^8211296730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8211296730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12423414528).

8211296730 is an abundant number, since it is smaller than the sum of its proper divisors (16635532326).

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

8211296730 is a wasteful number, since it uses less digits than its factorization.

8211296730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73432.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 8211296730 is about 90616.2056698469. The cubic root of 8211296730 is about 2017.4552743333.

The spelling of 8211296730 in words is "eight billion, two hundred eleven million, two hundred ninety-six thousand, seven hundred thirty".