672005212007 has 4 divisors (see below), whose sum is σ = 672008158536. Its totient is φ = 672002265480.

The previous prime is 672005211991. The next prime is 672005212009. The reversal of 672005212007 is 700212500276.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 672005212007 - 2⁴ = 672005211991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672005212009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1099568 + ... + 1597829.

It is an arithmetic number, because the mean of its divisors is an integer number (168002039634).

Almost surely, 2^672005212007 is an apocalyptic number.

672005212007 is a deficient number, since it is larger than the sum of its proper divisors (2946529).

672005212007 is a wasteful number, since it uses less digits than its factorization.

672005212007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946528.

The product of its (nonzero) digits is 11760, while the sum is 32.

The spelling of 672005212007 in words is "six hundred seventy-two billion, five million, two hundred twelve thousand, seven".