720433201 has 4 divisors (see below), whose sum is σ = 720486900. Its totient is φ = 720379504.

The previous prime is 720433199. The next prime is 720433213. The reversal of 720433201 is 102334027.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 286794225 + 433638976 = 16935^2 + 20824^2 .

It is a cyclic number.

It is not a de Polignac number, because 720433201 - 2¹ = 720433199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (720433261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12435 + ... + 39943.

It is an arithmetic number, because the mean of its divisors is an integer number (180121725).

Almost surely, 2^720433201 is an apocalyptic number.

It is an amenable number.

720433201 is a deficient number, since it is larger than the sum of its proper divisors (53699).

720433201 is a wasteful number, since it uses less digits than its factorization.

720433201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53698.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 720433201 is about 26840.8867401955. The cubic root of 720433201 is about 896.4606678113.

Adding to 720433201 its reverse (102334027), we get a palindrome (822767228).

The spelling of 720433201 in words is "seven hundred twenty million, four hundred thirty-three thousand, two hundred one".