72300560 has 20 divisors (see below), whose sum is σ = 168098988. Its totient is φ = 28920192.

The previous prime is 72300559. The next prime is 72300581. The reversal of 72300560 is 6500327.

It can be written as a sum of positive squares in 2 ways, for example, as 13808656 + 58491904 = 3716^2 + 7648^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451799 + ... + 451958.

Almost surely, 2^72300560 is an apocalyptic number.

It is an amenable number.

72300560 is an abundant number, since it is smaller than the sum of its proper divisors (95798428).

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

72300560 is a wasteful number, since it uses less digits than its factorization.

72300560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903770 (or 903764 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 72300560 is about 8502.9735975128. The cubic root of 72300560 is about 416.5948405969.

Adding to 72300560 its reverse (6500327), we get a palindrome (78800887).

The spelling of 72300560 in words is "seventy-two million, three hundred thousand, five hundred sixty".