720004272 has 40 divisors (see below), whose sum is σ = 2003090544. Its totient is φ = 221539584.

The previous prime is 720004267. The next prime is 720004273. The reversal of 720004272 is 272400027.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (720004273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576303 + ... + 577550.

Almost surely, 2^720004272 is an apocalyptic number.

It is an amenable number.

720004272 is an abundant number, since it is smaller than the sum of its proper divisors (1283086272).

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

720004272 is a wasteful number, since it uses less digits than its factorization.

720004272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153877 (or 1153871 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 720004272 is about 26832.8953338994. The cubic root of 720004272 is about 896.2827219525.

Adding to 720004272 its reverse (272400027), we get a palindrome (992404299).

The spelling of 720004272 in words is "seven hundred twenty million, four thousand, two hundred seventy-two".