72080700 has 72 divisors (see below), whose sum is σ = 210788592. Its totient is φ = 19015680.

The previous prime is 72080683. The next prime is 72080753. The reversal of 72080700 is 708027.

It is a congruent number.

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, 27862 + ... + 30338.

Almost surely, 2^72080700 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 72080700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105394296).

72080700 is an abundant number, since it is smaller than the sum of its proper divisors (138707892).

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

72080700 is a wasteful number, since it uses less digits than its factorization.

72080700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591 (or 2584 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 72080700 is about 8490.0353356155. The cubic root of 72080700 is about 416.1721350624.

Adding to 72080700 its reverse (708027), we get a palindrome (72788727).

The spelling of 72080700 in words is "seventy-two million, eighty thousand, seven hundred".