72824889442 has 48 divisors (see below), whose sum is σ = 125805791520. Its totient is φ = 31419239040.

The previous prime is 72824889439. The next prime is 72824889463. The reversal of 72824889442 is 24498842827.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 562153 + ... + 679459.

It is an arithmetic number, because the mean of its divisors is an integer number (2620953990).

Almost surely, 2^72824889442 is an apocalyptic number.

72824889442 is a deficient number, since it is larger than the sum of its proper divisors (52980902078).

72824889442 is a wasteful number, since it uses less digits than its factorization.

72824889442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117407 (or 117376 counting only the distinct ones).

The product of its digits is 16515072, while the sum is 58.

The spelling of 72824889442 in words is "seventy-two billion, eight hundred twenty-four million, eight hundred eighty-nine thousand, four hundred forty-two".