72239005244 has 24 divisors (see below), whose sum is σ = 144699299808. Its totient is φ = 30912154560.

The previous prime is 72239005243. The next prime is 72239005277. The reversal of 72239005244 is 44250093227.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 72239005198 and 72239005207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72239005243) 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, 1957187 + ... + 1993754.

It is an arithmetic number, because the mean of its divisors is an integer number (6029137492).

Almost surely, 2^72239005244 is an apocalyptic number.

It is an amenable number.

72239005244 is an abundant number, since it is smaller than the sum of its proper divisors (72460294564).

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

72239005244 is a wasteful number, since it uses less digits than its factorization.

72239005244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3951605 (or 3951603 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 72239005244 in words is "seventy-two billion, two hundred thirty-nine million, five thousand, two hundred forty-four".