673444014007 has 4 divisors (see below), whose sum is σ = 673514035480. Its totient is φ = 673373992536.

The previous prime is 673444013993. The next prime is 673444014071. The reversal of 673444014007 is 700410444376.

It is a happy number.

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 673444014007 - 2¹⁵ = 673443981239 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 (673444014077) 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, 34996308 + ... + 35015545.

It is an arithmetic number, because the mean of its divisors is an integer number (168378508870).

Almost surely, 2^673444014007 is an apocalyptic number.

673444014007 is a deficient number, since it is larger than the sum of its proper divisors (70021473).

673444014007 is an equidigital number, since it uses as much as digits as its factorization.

673444014007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70021472.

The product of its (nonzero) digits is 225792, while the sum is 40.

The spelling of 673444014007 in words is "six hundred seventy-three billion, four hundred forty-four million, fourteen thousand, seven".