672394722 has 8 divisors (see below), whose sum is σ = 1344789456. Its totient is φ = 224131572.

The previous prime is 672394721. The next prime is 672394759. The reversal of 672394722 is 227493276.

672394722 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.

672394722 is an admirable number.

It is a super-2 number, since 2×672394722² = 904229324346914568, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (672394721) 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, 56032888 + ... + 56032899.

It is an arithmetic number, because the mean of its divisors is an integer number (168098682).

Almost surely, 2^672394722 is an apocalyptic number.

672394722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

672394722 is a wasteful number, since it uses less digits than its factorization.

672394722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112065792.

The product of its digits is 254016, while the sum is 42.

The square root of 672394722 is about 25930.5750418304. The cubic root of 672394722 is about 876.0752916875.

The spelling of 672394722 in words is "six hundred seventy-two million, three hundred ninety-four thousand, seven hundred twenty-two".