672001639047 has 12 divisors (see below), whose sum is σ = 970677484920. Its totient is φ = 447997192368.

The previous prime is 672001639027. The next prime is 672001639063. The reversal of 672001639047 is 740936100276.

672001639047 is a `hidden beast` number, since 6 + 7 + 2 + 0 + 0 + 1 + 639 + 0 + 4 + 7 = 666.

672001639047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 672001639047 - 2³⁶ = 603282162311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 672001638993 and 672001639011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672001639027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1090729 + ... + 1591757.

It is an arithmetic number, because the mean of its divisors is an integer number (80889790410).

Almost surely, 2^672001639047 is an apocalyptic number.

672001639047 is a deficient number, since it is larger than the sum of its proper divisors (298675845873).

672001639047 is a wasteful number, since it uses less digits than its factorization.

672001639047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650062 (or 650059 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 672001639047 in words is "six hundred seventy-two billion, one million, six hundred thirty-nine thousand, forty-seven".