72032482840 has 64 divisors (see below), whose sum is σ = 169215298560. Its totient is φ = 27544682880.

The previous prime is 72032482829. The next prime is 72032482843. The reversal of 72032482840 is 4828423027.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 72032482793 and 72032482802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72032482843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1678045 + ... + 1720435.

It is an arithmetic number, because the mean of its divisors is an integer number (2643989040).

Almost surely, 2^72032482840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72032482840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84607649280).

72032482840 is an abundant number, since it is smaller than the sum of its proper divisors (97182815720).

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

72032482840 is a wasteful number, since it uses less digits than its factorization.

72032482840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44272 (or 44268 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 40.

The spelling of 72032482840 in words is "seventy-two billion, thirty-two million, four hundred eighty-two thousand, eight hundred forty".