673632211121742 has 16 divisors (see below), whose sum is σ = 1347288250176000. Its totient is φ = 224540099051832.

The previous prime is 673632211121729. The next prime is 673632211121747. The reversal of 673632211121742 is 247121112236376.

It is a super-2 number, since 2×673632211121742² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 673632211121691 and 673632211121700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673632211121747) 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, 992462992 + ... + 993141507.

It is an arithmetic number, because the mean of its divisors is an integer number (84205515636000).

Almost surely, 2^{673632211121742} is an apocalyptic number.

673632211121742 is an abundant number, since it is smaller than the sum of its proper divisors (673656039054258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673632211121742 is a wasteful number, since it uses less digits than its factorization.

673632211121742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985661047.

The product of its digits is 1016064, while the sum is 48.

The spelling of 673632211121742 in words is "six hundred seventy-three trillion, six hundred thirty-two billion, two hundred eleven million, one hundred twenty-one thousand, seven hundred forty-two".