673400674007 has 4 divisors (see below), whose sum is σ = 673402489536. Its totient is φ = 673398858480.

The previous prime is 673400673983. The next prime is 673400674021. The reversal of 673400674007 is 700476004376.

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 673400674007 - 2⁶ = 673400673943 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 (673400674087) 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, 128294 + ... + 1167587.

It is an arithmetic number, because the mean of its divisors is an integer number (168350622384).

Almost surely, 2^673400674007 is an apocalyptic number.

673400674007 is a deficient number, since it is larger than the sum of its proper divisors (1815529).

673400674007 is a wasteful number, since it uses less digits than its factorization.

673400674007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815528.

The product of its (nonzero) digits is 592704, while the sum is 44.

The spelling of 673400674007 in words is "six hundred seventy-three billion, four hundred million, six hundred seventy-four thousand, seven".