72181592230 has 64 divisors (see below), whose sum is σ = 150675966720. Its totient is φ = 24620112000.

The previous prime is 72181592227. The next prime is 72181592233. The reversal of 72181592230 is 3229518127.

It is an interprime number because it is at equal distance from previous prime (72181592227) and next prime (72181592233).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72181592233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40117 + ... + 382063.

It is an arithmetic number, because the mean of its divisors is an integer number (2354311980).

Almost surely, 2^72181592230 is an apocalyptic number.

72181592230 is an abundant number, since it is smaller than the sum of its proper divisors (78494374490).

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

72181592230 is a wasteful number, since it uses less digits than its factorization.

72181592230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342085.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 72181592230 in words is "seventy-two billion, one hundred eighty-one million, five hundred ninety-two thousand, two hundred thirty".