7210534864 has 80 divisors (see below), whose sum is σ = 15555410640. Its totient is φ = 3216568320.

The previous prime is 7210534801. The next prime is 7210534871. The reversal of 7210534864 is 4684350127.

It can be written as a sum of positive squares in 8 ways, for example, as 286963600 + 6923571264 = 16940^2 + 83208^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 925674 + ... + 933430.

It is an arithmetic number, because the mean of its divisors is an integer number (194442633).

Almost surely, 2^7210534864 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 7210534864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7777705320).

7210534864 is an abundant number, since it is smaller than the sum of its proper divisors (8344875776).

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

7210534864 is a wasteful number, since it uses less digits than its factorization.

7210534864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7928 (or 7922 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 7210534864 is about 84914.8683329368. The cubic root of 7210534864 is about 1931.9200972289.

The spelling of 7210534864 in words is "seven billion, two hundred ten million, five hundred thirty-four thousand, eight hundred sixty-four".