722070667 has 8 divisors (see below), whose sum is σ = 737238320. Its totient is φ = 707045760.

The previous prime is 722070659. The next prime is 722070697. The reversal of 722070667 is 766070227.

722070667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 722070667 - 2³ = 722070659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722070637) 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, 25434 + ... + 45727.

It is an arithmetic number, because the mean of its divisors is an integer number (92154790).

Almost surely, 2^722070667 is an apocalyptic number.

722070667 is a deficient number, since it is larger than the sum of its proper divisors (15167653).

722070667 is a wasteful number, since it uses less digits than its factorization.

722070667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71373.

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 722070667 is about 26871.3726296220. The cubic root of 722070667 is about 897.1393396255.

The spelling of 722070667 in words is "seven hundred twenty-two million, seventy thousand, six hundred sixty-seven".