8072518194 has 48 divisors (see below), whose sum is σ = 18850104000. Its totient is φ = 2481975648.

The previous prime is 8072518171. The next prime is 8072518199. The reversal of 8072518194 is 4918152708.

It is a super-2 number, since 2×8072518194² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8072518199) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315037 + ... + 339695.

It is an arithmetic number, because the mean of its divisors is an integer number (392710500).

Almost surely, 2^8072518194 is an apocalyptic number.

8072518194 is an abundant number, since it is smaller than the sum of its proper divisors (10777585806).

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

8072518194 is a wasteful number, since it uses less digits than its factorization.

8072518194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26079 (or 26076 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 8072518194 is about 89847.1935788759. The cubic root of 8072518194 is about 2006.0250142092.

The spelling of 8072518194 in words is "eight billion, seventy-two million, five hundred eighteen thousand, one hundred ninety-four".