673630374172534 has 8 divisors (see below), whose sum is σ = 1027571757212520. Its totient is φ = 331106455101696.

The previous prime is 673630374172501. The next prime is 673630374172537. The reversal of 673630374172534 is 435271473036376.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673630374172537) 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, 2854365992139 + ... + 2854365992374.

It is an arithmetic number, because the mean of its divisors is an integer number (128446469651565).

Almost surely, 2^{673630374172534} is an apocalyptic number.

673630374172534 is a deficient number, since it is larger than the sum of its proper divisors (353941383039986).

673630374172534 is a wasteful number, since it uses less digits than its factorization.

673630374172534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5708731984574.

The product of its (nonzero) digits is 160030080, while the sum is 61.

The spelling of 673630374172534 in words is "six hundred seventy-three trillion, six hundred thirty billion, three hundred seventy-four million, one hundred seventy-two thousand, five hundred thirty-four".