8072566590 has 64 divisors (see below), whose sum is σ = 21164239872. Its totient is φ = 1954320000.

The previous prime is 8072566589. The next prime is 8072566609. The reversal of 8072566590 is 956652708.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231544 + ... + 264116.

It is an arithmetic number, because the mean of its divisors is an integer number (330691248).

Almost surely, 2^8072566590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8072566590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10582119936).

8072566590 is an abundant number, since it is smaller than the sum of its proper divisors (13091673282).

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

8072566590 is a wasteful number, since it uses less digits than its factorization.

8072566590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33345.

The product of its (nonzero) digits is 907200, while the sum is 48.

The square root of 8072566590 is about 89847.4629024103. The cubic root of 8072566590 is about 2006.0290230116.

The spelling of 8072566590 in words is "eight billion, seventy-two million, five hundred sixty-six thousand, five hundred ninety".