720260401 has 16 divisors (see below), whose sum is σ = 833817600. Its totient is φ = 609420240.

The previous prime is 720260399. The next prime is 720260419. The reversal of 720260401 is 104062027.

It is a cyclic number.

It is not a de Polignac number, because 720260401 - 2¹ = 720260399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (720260441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180510 + ... + 184456.

It is an arithmetic number, because the mean of its divisors is an integer number (52113600).

Almost surely, 2^720260401 is an apocalyptic number.

It is an amenable number.

720260401 is a deficient number, since it is larger than the sum of its proper divisors (113557199).

720260401 is a wasteful number, since it uses less digits than its factorization.

720260401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4284.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 720260401 is about 26837.6675774926. The cubic root of 720260401 is about 896.3889883504.

It can be divided in two parts, 720 and 260401, that added together give a square (261121 = 511²).

The spelling of 720260401 in words is "seven hundred twenty million, two hundred sixty thousand, four hundred one".