672206705619 has 8 divisors (see below), whose sum is σ = 897319005120. Its totient is φ = 447616104936.

The previous prime is 672206705581. The next prime is 672206705627. The reversal of 672206705619 is 916507602276.

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

It is not a de Polignac number, because 672206705619 - 2⁸ = 672206705363 is a prime.

It is a super-2 number, since 2×672206705619² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (672206700619) 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, 130421697 + ... + 130426850.

It is an arithmetic number, because the mean of its divisors is an integer number (112164875640).

Almost surely, 2^672206705619 is an apocalyptic number.

672206705619 is a deficient number, since it is larger than the sum of its proper divisors (225112299501).

672206705619 is a wasteful number, since it uses less digits than its factorization.

672206705619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260849409.

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 672206705619 in words is "six hundred seventy-two billion, two hundred six million, seven hundred five thousand, six hundred nineteen".