72054400 has 192 divisors, whose sum is σ = 204897600. Its totient is φ = 24780800.

The previous prime is 72054391. The next prime is 72054407. The reversal of 72054400 is 445027.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (72054407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 809556 + ... + 809644.

It is an arithmetic number, because the mean of its divisors is an integer number (1067175).

Almost surely, 2^72054400 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 72054400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102448800).

72054400 is an abundant number, since it is smaller than the sum of its proper divisors (132843200).

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

72054400 is a wasteful number, since it uses less digits than its factorization.

72054400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 72054400 is about 8488.4863197157. The cubic root of 72054400 is about 416.1215128263.

Adding to 72054400 its reverse (445027), we get a palindrome (72499427).

The spelling of 72054400 in words is "seventy-two million, fifty-four thousand, four hundred".