672206719 has 8 divisors (see below), whose sum is σ = 712990080. Its totient is φ = 631963800.

The previous prime is 672206699. The next prime is 672206783. The reversal of 672206719 is 917602276.

672206719 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 672206719 - 2⁵ = 672206687 is a prime.

It is a super-2 number, since 2×672206719² = 903723746137489922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672206419) 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, 132547 + ... + 137524.

It is an arithmetic number, because the mean of its divisors is an integer number (89123760).

Almost surely, 2^672206719 is an apocalyptic number.

672206719 is a deficient number, since it is larger than the sum of its proper divisors (40783361).

672206719 is a wasteful number, since it uses less digits than its factorization.

672206719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270221.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 672206719 is about 25926.9496663221. The cubic root of 672206719 is about 875.9936332356.

The spelling of 672206719 in words is "six hundred seventy-two million, two hundred six thousand, seven hundred nineteen".