72342732203 has 32 divisors (see below), whose sum is σ = 86788703232. Its totient is φ = 59003481600.

The previous prime is 72342732197. The next prime is 72342732247. The reversal of 72342732203 is 30223724327.

It is not a de Polignac number, because 72342732203 - 2⁸ = 72342731947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72342732283) 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, 9387650 + ... + 9395352.

It is an arithmetic number, because the mean of its divisors is an integer number (2712146976).

Almost surely, 2^72342732203 is an apocalyptic number.

72342732203 is a deficient number, since it is larger than the sum of its proper divisors (14445971029).

72342732203 is a wasteful number, since it uses less digits than its factorization.

72342732203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8555.

The product of its (nonzero) digits is 84672, while the sum is 35.

The spelling of 72342732203 in words is "seventy-two billion, three hundred forty-two million, seven hundred thirty-two thousand, two hundred three".