672066671832 has 64 divisors (see below), whose sum is σ = 1884976704000. Its totient is φ = 221847243552.

The previous prime is 672066671827. The next prime is 672066671851. The reversal of 672066671832 is 238176660276.

672066671832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×672066671832² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15081732 + ... + 15126227.

It is an arithmetic number, because the mean of its divisors is an integer number (29452761000).

Almost surely, 2^672066671832 is an apocalyptic number.

It is an amenable number.

672066671832 is an abundant number, since it is smaller than the sum of its proper divisors (1212910032168).

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

672066671832 is a wasteful number, since it uses less digits than its factorization.

672066671832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30208077 (or 30208067 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 672066671832 in words is "six hundred seventy-two billion, sixty-six million, six hundred seventy-one thousand, eight hundred thirty-two".