673734037407 has 8 divisors (see below), whose sum is σ = 913537678080. Its totient is φ = 441543210840.

The previous prime is 673734037393. The next prime is 673734037409. The reversal of 673734037407 is 704730437376.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 673734037407 - 2⁷ = 673734037279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 673734037407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673734037409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1903203319 + ... + 1903203672.

It is an arithmetic number, because the mean of its divisors is an integer number (114192209760).

Almost surely, 2^673734037407 is an apocalyptic number.

673734037407 is a deficient number, since it is larger than the sum of its proper divisors (239803640673).

673734037407 is a wasteful number, since it uses less digits than its factorization.

673734037407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806407053.

The product of its (nonzero) digits is 6223392, while the sum is 51.

The spelling of 673734037407 in words is "six hundred seventy-three billion, seven hundred thirty-four million, thirty-seven thousand, four hundred seven".