722723345 has 8 divisors (see below), whose sum is σ = 874097664. Its totient is φ = 573625584.

The previous prime is 722723341. The next prime is 722723357. The reversal of 722723345 is 543327227.

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 722723345 - 2² = 722723341 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722723341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568439 + ... + 569708.

It is an arithmetic number, because the mean of its divisors is an integer number (109262208).

Almost surely, 2^722723345 is an apocalyptic number.

It is an amenable number.

722723345 is a deficient number, since it is larger than the sum of its proper divisors (151374319).

722723345 is a wasteful number, since it uses less digits than its factorization.

722723345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138279.

The product of its digits is 70560, while the sum is 35.

The square root of 722723345 is about 26883.5143721947. The cubic root of 722723345 is about 897.4095656119.

The spelling of 722723345 in words is "seven hundred twenty-two million, seven hundred twenty-three thousand, three hundred forty-five".