720310801 has 4 divisors (see below), whose sum is σ = 823212352. Its totient is φ = 617409252.

The previous prime is 720310793. The next prime is 720310813. The reversal of 720310801 is 108013027.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 720310801 - 2³ = 720310793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (720310831) 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, 51450765 + ... + 51450778.

It is an arithmetic number, because the mean of its divisors is an integer number (205803088).

Almost surely, 2^720310801 is an apocalyptic number.

It is an amenable number.

720310801 is a deficient number, since it is larger than the sum of its proper divisors (102901551).

720310801 is a wasteful number, since it uses less digits than its factorization.

720310801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102901550.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 720310801 is about 26838.6065398336. The cubic root of 720310801 is about 896.4098960440.

Adding to 720310801 its reverse (108013027), we get a palindrome (828323828).

The spelling of 720310801 in words is "seven hundred twenty million, three hundred ten thousand, eight hundred one".