722486273 has 8 divisors (see below), whose sum is σ = 733271616. Its totient is φ = 711718000.

The previous prime is 722486263. The next prime is 722486291. The reversal of 722486273 is 372684227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 722486273 - 2¹⁰ = 722485249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 722486273.

It is not an unprimeable number, because it can be changed into a prime (722486243) 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, 99515 + ... + 106527.

It is an arithmetic number, because the mean of its divisors is an integer number (91658952).

Almost surely, 2^722486273 is an apocalyptic number.

It is an amenable number.

722486273 is a deficient number, since it is larger than the sum of its proper divisors (10785343).

722486273 is a wasteful number, since it uses less digits than its factorization.

722486273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8535.

The product of its digits is 225792, while the sum is 41.

The square root of 722486273 is about 26879.1047655981. The cubic root of 722486273 is about 897.3114303439.

The spelling of 722486273 in words is "seven hundred twenty-two million, four hundred eighty-six thousand, two hundred seventy-three".