72298987782 has 16 divisors (see below), whose sum is σ = 165254829312. Its totient is φ = 20656853640.

The previous prime is 72298987781. The next prime is 72298987801. The reversal of 72298987782 is 28778989227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72298987781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860702194 + ... + 860702277.

It is an arithmetic number, because the mean of its divisors is an integer number (10328426832).

Almost surely, 2^72298987782 is an apocalyptic number.

72298987782 is an abundant number, since it is smaller than the sum of its proper divisors (92955841530).

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

72298987782 is a wasteful number, since it uses less digits than its factorization.

72298987782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721404483.

The product of its digits is 113799168, while the sum is 69.

The spelling of 72298987782 in words is "seventy-two billion, two hundred ninety-eight million, nine hundred eighty-seven thousand, seven hundred eighty-two".