672556422050 has 18 divisors (see below), whose sum is σ = 1250965731153. Its totient is φ = 269020249240.

The previous prime is 672556422047. The next prime is 672556422053. The reversal of 672556422050 is 50224655276.

It is an interprime number because it is at equal distance from previous prime (672556422047) and next prime (672556422053).

It can be written as a sum of positive squares in 2 ways, for example, as 659105293609 + 13451128441 = 811853^2 + 115979^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=579895.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 672556421992 and 672556422010.

It is not an unprimeable number, because it can be changed into a prime (672556422053) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5740961 + ... + 5856939.

Almost surely, 2^672556422050 is an apocalyptic number.

672556422050 is a deficient number, since it is larger than the sum of its proper divisors (578409309103).

672556422050 is an frugal number, since it uses more digits than its factorization.

672556422050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231970 (or 115986 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 44.

The spelling of 672556422050 in words is "six hundred seventy-two billion, five hundred fifty-six million, four hundred twenty-two thousand, fifty".