8072209490 has 32 divisors (see below), whose sum is σ = 15418719360. Its totient is φ = 3036145024.

The previous prime is 8072209477. The next prime is 8072209499. The reversal of 8072209490 is 949022708.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8072209499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283859 + ... + 310998.

It is an arithmetic number, because the mean of its divisors is an integer number (481834980).

Almost surely, 2^8072209490 is an apocalyptic number.

8072209490 is a deficient number, since it is larger than the sum of its proper divisors (7346509870).

8072209490 is a wasteful number, since it uses less digits than its factorization.

8072209490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594946.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 8072209490 is about 89845.4756234280. The cubic root of 8072209490 is about 2005.9994428478. Note that the first 3 decimals are identical.

The spelling of 8072209490 in words is "eight billion, seventy-two million, two hundred nine thousand, four hundred ninety".